What should I use to convert m4a to mp3. | Ask MetaFilter
Free DVD MP3 Ripper - Freeware converts DVD to MP3, VCD to MP3, MPEG to MP3.
Online Audio Converter (MP3, WAV, Ogg, WMA, M4A, AAC) – media.io
Converting WMA to MP3 for iPod? :: Online Tech Support Help :: Ask Dave Taylor!®