iPodに入ってる曲のタグがグチャグチャなやつってなんなの？なんで同じ歌手が5人もいるの？

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CTTCTTTCCG CTTACGTACT CCGCGTCCGG GCACGGGTAC GGCTAACCTC CACTTAGGCC GAATCTAACT
CGAGGGTTCG ACAGCGTGAT CGGCGCCTAT AATGTATTAG CCCCTGGTGC ATGGCCAGGA CAACTTGGCG
AAGTCTAGTC GAGACGAACT TGAATCGAGC GATGGGACCG AATACCAAAA CTAAGTTTCT TCGCAGCTTT
AGGCGCTTGC GCCGTACGGG CCTTCGATCC CTGGGTATCG TTTGGATTTC CGTTGGCTCT TATATTATAC
AAGTAGTGCG AATGTGGCTC CAAGTTCTTG ACGTGCAGGG TGAATGTACT TCCGATGATG AGTTGTTAGC
ACTGTTTGCA CGTAGCAGGT TCGCGTATAT AACAGGTTAT CGCTCACCGG GGCGAAGAGT AATAAAAGCG
GACTGGTGGC ACTATACTTA CGTTTTCATA GCATCCTACG CTGGTATCTG CCGCCCGAGT GAAGACTCCA
TCGTGATCGA CGTTCTACGA GTGATCGGGT ACTAAGTCTT CTAAATGCCC TACTGCAGAA CCATCGTATT
AAAATGACGA TTCCACGGGT ACGTAAATTA TATGCAGTGA GTGCACTTAA CTCCAGGCTT TCCTACCTTG
CGACGGCCCT ACTATTTCTC TACATGCAAA GCTACTGCGC CTACCTATCT GTGTCACCAC CAAGATACGT
ATGAGCCCCA TGCAGGCATT GTTGCCGTAC TTATTTCAAC TGAGACTCTG TCGACACAAT AGGTGGAAGG
CACCAAACAC CGACGCATTC GTGCGACATG GATCCGTAAT TCGCTATAAC TTTAAAGAAA ATGCCTGCCT
ATATTGATAA TGATCACTGT AGTAAGTTTG ACACGTGCGT AGTAATCACG ATGTCGTTGT ATGCCATGCC
TAATCGGATG GGAGCGAGAC TAAGGCACGT ACACCAGGCT GGCGTAACTA TAACCGTTAG CCAGCCAACC
CATTAAGATA TGTACGGGTT ACTAGGGAGG CGCGTAACTG GCTGATCCGA CTGAGTGGTA CCGCGAGACA
AGGAATACGA ACATACCGTA GATTCAATAC ATCCGTTATG GGTATTCAAT GGACTATCCT CTGGCTCCTC
TGGGGTTCGA TCGGCGATCG CGTTCGCTGC AGTAGTTAGC CGGTCGGAGA AATGTACCAC GACTGTGTAA
TTTTAATCCG TTGGCATAAA GCCTTTAACG CAATATAGCG TAATTACAAC CAAGTACTTT TCGTTCCAAA
GTACGCAACT GCGAAAGGGC CCTTACAGTT AAATTCCTAT TTTTATGCGC CCCAAGCTTA CATAATATTT
TTTATACATC CTGGACTCAT AATGGCACCT CTCACCACAG TGGATAAAAA