Export don't be correctly exported

[cdgraff]

$ mp3val -f c3santafe.mp3-1515001749726_roto.mp3

Analyzing file "c3santafe.mp3-1515001749726_roto.mp3"...

WARNING: "/Users/aferrari/Downloads/c3santafe.mp3-1515001749726_roto.mp3" (offset 0x0): Garbage at the beginning of the file
WARNING: "/Users/aferrari/Downloads/c3santafe.mp3-1515001749726_roto.mp3" (offset 0x6a8f02): It seems that file is truncated or there is garbage at the end of the file
WARNING: "/Users/aferrari/Downloads/c3santafe.mp3-1515001749726_roto.mp3": VBR detected, but no VBR header is present. Seeking may not work properly.
WARNING: "/Users/aferrari/Downloads/c3santafe.mp3-1515001749726_roto.mp3": No supported tags in the file

INFO: "/Users/aferrari/Downloads/c3santafe.mp3-1515001749726_roto.mp3": 37408 MPEG frames (MPEG 1 Layer III), no tags, no VBR header

Rebuilding file "c3santafe.mp3-1515001749726_roto.mp3"...

FIXED: "/Users/aferrari/Downloads/c3santafe.mp3-1515001749726_roto.mp3": File was rebuilt

Done!