{
  "filename_suffix": {
    "new": "Alt"
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  "ring_codes": {
    "new": "MPO\t5002257CD2 19 AOUT 03 @@ P01\t20030820 0602 @@ 4 IFPI L032 01 IFPI 1205",
    "old": "MPO 5002257CD2 19 AOUT 03 @@ P01\t20030820 0602 @@ 4 IFPI L032 01 IFPI 1205"
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}