Free Don't Know Why ringtone for your phone. Listen first, then download the version you like. Artist: Norah Jones. There are 5 versions, from 12 to 93 seconds long. If you like jazz, female vocalists and blues ringtones, see the tags below. For iPhone or iPad download the .M4R file. For Android and other phones download the .MP3 file. More ringtones by Norah Jones are on the artist page, the link is under the title.