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229 lines
4.5 KiB
Go
229 lines
4.5 KiB
Go
package id3
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import (
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"github.com/wader/fq/format"
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"github.com/wader/fq/format/registry"
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"github.com/wader/fq/pkg/decode"
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)
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// TODO: comment 28 long, zero byte, track number
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func init() {
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registry.MustRegister(&decode.Format{
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Name: format.ID3V1,
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Description: "ID3v1 metadata",
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DecodeFn: id3v1Decode,
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})
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}
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// Decode ID3v1 tag
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func id3v1Decode(d *decode.D, in interface{}) interface{} {
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d.AssertAtLeastBitsLeft(128 * 8)
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d.FieldUTF8("magic", 3, d.AssertStr("TAG"))
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if d.PeekBits(8) == uint64('+') {
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d.Errorf("looks like id3v11")
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}
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d.FieldUTF8NullFixedLen("song_name", 30)
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d.FieldUTF8NullFixedLen("artist", 30)
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d.FieldUTF8NullFixedLen("album_name", 30)
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d.FieldUTF8NullFixedLen("year", 4)
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d.FieldUTF8NullFixedLen("comment", 30)
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// from https://en.wikipedia.org/wiki/List_of_ID3v1_Genres
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d.FieldU8("genre", d.MapUToStrSym(decode.UToStr{
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0: "Blues",
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1: "Classic Rock",
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2: "Country",
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3: "Dance",
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4: "Disco",
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5: "Funk",
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6: "Grunge",
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7: "Hip-Hop",
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8: "Jazz",
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9: "Metal",
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10: "New Age",
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11: "Oldies",
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12: "Other",
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13: "Pop",
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14: "Rhythm and Blues",
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15: "Rap",
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16: "Reggae",
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17: "Rock",
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18: "Techno",
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19: "Industrial",
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20: "Alternative",
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21: "Ska",
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22: "Death Metal",
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23: "Pranks",
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24: "Soundtrack",
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25: "Euro-Techno",
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26: "Ambient",
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27: "Trip-Hop",
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28: "Vocal",
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29: "Jazz & Funk",
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30: "Fusion",
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31: "Trance",
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32: "Classical",
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33: "Instrumental",
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34: "Acid",
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35: "House",
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36: "Game",
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37: "Sound clip",
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38: "Gospel",
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39: "Noise",
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40: "Alternative Rock",
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41: "Bass",
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42: "Soul",
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43: "Punk",
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44: "Space",
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45: "Meditative",
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46: "Instrumental Pop",
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47: "Instrumental Rock",
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48: "Ethnic",
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49: "Gothic",
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50: "Darkwave",
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51: "Techno-Industrial",
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52: "Electronic",
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53: "Pop-Folk",
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54: "Eurodance",
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55: "Dream",
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56: "Southern Rock",
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57: "Comedy",
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58: "Cult",
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59: "Gangsta",
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60: "Top 40",
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61: "Christian Rap",
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62: "Pop/Funk",
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63: "Jungle music",
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64: "Native US",
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65: "Cabaret",
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66: "New Wave",
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67: "Psychedelic",
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68: "Rave",
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69: "Showtunes",
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70: "Trailer",
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71: "Lo-Fi",
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72: "Tribal",
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73: "Acid Punk",
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74: "Acid Jazz",
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75: "Polka",
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76: "Retro",
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77: "Musical",
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78: "Rock ’n’ Roll",
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79: "Hard Rock",
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80: "Folk",
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81: "Folk-Rock",
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82: "National Folk",
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83: "Swing",
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84: "Fast Fusion",
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85: "Bebop",
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86: "Latin",
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87: "Revival",
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88: "Celtic",
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89: "Bluegrass",
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90: "Avantgarde",
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91: "Gothic Rock",
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92: "Progressive Rock",
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93: "Psychedelic Rock",
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94: "Symphonic Rock",
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95: "Slow Rock",
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96: "Big Band",
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97: "Chorus",
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98: "Easy Listening",
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99: "Acoustic",
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100: "Humour",
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101: "Speech",
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102: "Chanson",
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103: "Opera",
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104: "Chamber Music",
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105: "Sonata",
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106: "Symphony",
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107: "Booty Bass",
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108: "Primus",
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109: "Porn Groove",
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110: "Satire",
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111: "Slow Jam",
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112: "Club",
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113: "Tango",
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114: "Samba",
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115: "Folklore",
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116: "Ballad",
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117: "Power Ballad",
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118: "Rhythmic Soul",
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119: "Freestyle",
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120: "Duet",
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121: "Punk Rock",
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122: "Drum Solo",
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123: "A cappella",
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124: "Euro-House",
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125: "Dance Hall",
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126: "Goa music",
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127: "Drum & Bass",
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128: "Club-House",
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129: "Hardcore Techno",
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130: "Terror",
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131: "Indie",
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132: "BritPop",
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133: "Negerpunk",
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134: "Polsk Punk",
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135: "Beat",
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136: "Christian Gangsta Rap",
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137: "Heavy Metal",
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138: "Black Metal",
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139: "Crossover",
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140: "Contemporary Christian",
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141: "Christian Rock",
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142: "Merengue",
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143: "Salsa",
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144: "Thrash Metal",
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145: "Anime",
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146: "Jpop",
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147: "Synthpop",
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148: "Abstract",
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149: "Art Rock",
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150: "Baroque",
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151: "Bhangra",
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152: "Big beat",
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153: "Breakbeat",
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154: "Chillout",
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155: "Downtempo",
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156: "Dub",
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157: "EBM",
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158: "Eclectic",
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159: "Electro",
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160: "Electroclash",
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161: "Emo",
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162: "Experimental",
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163: "Garage",
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164: "Global",
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165: "IDM",
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166: "Illbient",
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167: "Industro-Goth",
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168: "Jam Band",
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169: "Krautrock",
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170: "Leftfield",
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171: "Lounge",
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172: "Math Rock",
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173: "New Romantic",
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174: "Nu-Breakz",
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175: "Post-Punk",
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176: "Post-Rock",
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177: "Psytrance",
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178: "Shoegaze",
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179: "Space Rock",
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180: "Trop Rock",
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181: "World Music",
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182: "Neoclassical",
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183: "Audiobook",
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184: "Audio Theatre",
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185: "Neue Deutsche Welle",
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186: "Podcast",
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187: "Indie-Rock",
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188: "G-Funk",
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189: "Dubstep",
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190: "Garage Rock",
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191: "Psybient",
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}))
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return nil
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}
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