There has been data ("Free music software: Free audio software, Free Lossless Audio Codec, Zinf, XMMS, GNU LilyPond, Unix Amiga Delitracker Emulator, MPlayer, Mpg123") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Thu Jan 30 05:19:45 2020, so the data displayed here has been removed .