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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CGTATTAATC CACTCCGCTA CTCACGGTTT TGCCCTGCGC ACTGACGATC TCACGTCCAT CGATTAAAAT
AGATGGCGGT CCTCCGACTG GATCGCACCC TCAGTTTTTC GTAGCGGCTA GAACTAACAC GGAACCGTTC
CAACCGTCAG AGTAAACTAA AGGACTATGA GCTGGACCTA TCTGGCCCCT GTACTCAACT AAGGAACATT
ATGCTGCTGG CGAAAACCGT TTAGAGCGAA CTGTCAACAT ACACTGCTGA TTATGGGTAA TGTTTACTAC
ATGATAGCCC GAAACTATTC GGACCTCGCG GTCTCTACTA TCGGAATACG CCCATGCGTC GTGACTGTGA
CGAGGGTAGA CAAGACCTTT CATGATCCGT GTGCGGTACC CTTGTCTCCT AAGCCATTGG TGTAAAAAGA
ACGCGCGTAT ACCAGTACAC GTGTAGCGTT CAGCCCTTCC TAATTAACCA CGTAATCTTG GTGATAAGTA
AGTTTTCACC TTGTTTCTGA CACGTCGAGT GCGAAACATG CAGGCCATGG CCCATTACTA TGGGGAATGA
CTCACTCGGT GCAGAAACTG TATATTACCA TAGCGCGATA ACCCCTCTGG TTCGATGGAT TACAGTATCT
GTGTTCCTCT CACCGCGTAC GGAAGGACCC CATATGAGAC TCATGCCGCC GGAATTGGGG ACCGTACGTA
CCGCGGCCAC CTCAGGTTGC GGATCCTAAC AGTGGTGGTA GTCGGTTCTT GCTATGTACC GGGACAGAAA
TGATACAGAT CATGATGGTG GCTCGCAAGC TCGTCGGCCG AGGCGCTGAC GCGTTTGGCT TCCGCCTGCG
TCAAATCCAA GGCAGTAGTG CGCTAACGGG GTCTGTGAGC AAAGTTTAAC TGACGACTGG TGAGTTTTTA
TTGAATTTTC GTCGACAACC GAATGCCTCA TTTAGTTTCT TAGCTGCGAT GCGGCCTGAA GTACGTTTTA
GCGCATACTC GCGACTCGGC GAATTTGGGT GAGAGGCGCG GCGCGTCTAC ATCCACGCAA AATCAATGGG
AAAGCCAATT TTTCCCTAAT CTTCAAACTC CCCAGAGCCC GAAACCACGT GGATCACGGT TAATAACAGC
TACAGATGGA GTTGTCAGGG CCTCTTGCCA TTCGATACTC ATGAACTACC TCGATCGGCA TATAAGCTAT
CTTTTACCGA GTTGACTACT CCGTTTACCC CTAACCTAGG GTGAGATGTG GAGTCCCGGA CCATGACATC
ATTCCGGTGA GCCTTGTAAA GTTGCCTGTC CCGCCGGTTC AGTGCACCAC GGGCAAAACT CGAACCGAAT
CAGACAGGTC AAGCGTTTCC AAGAGTTAAA TTTTGCGACC TGTGCGCACT