Import of BILLH/Audio-M4P-0.57 from CPAN.

gitpan-cpan-distribution: Audio-M4P
gitpan-cpan-version:      0.57
gitpan-cpan-path:         BILLH/Audio-M4P-0.57.tar.gz
gitpan-cpan-author:       BILLH
gitpan-cpan-maturity:     released