Free So What (feat. John Coltrane, Cannonball Adderley & Bill Evans) ringtone for your phone. Listen first, then download the version you like. Original song by Miles Davis. There are 7 versions, from 16 to 424 seconds long. If you like piano, saxophone and jazz ringtones, see the tags below. For iPhone or iPad download the .M4R file. For Android and other phones download the .MP3 file. All ringtones by Miles Davis are collected on the artist page.