Audio::Scan is a C-based scanner for audio file metadata and tag
information. It currently supports MP3 via an included version of
libid3tag, MP4, Ogg Vorbis, FLAC (if libFLAC is installed), ASF,
WAV, AIFF, Musepack, and Monkey's Audio.
Submitted by: Wen Heping <wenheping at gmail.com>