Here you can listen to and download the Mercy ringtone for free. The song is performed by Duffy. 8 versions are available, from 9 to 59 seconds. Tags: swing, upbeat and pop. Click a tag below to see more ringtones like this. For iPhone or iPad download the .M4R file. For Android and other phones download the .MP3 file. All ringtones by Duffy are collected on the artist page.