Free Nobody Knows ringtone for your phone. Listen first, then download the version you like. Artist: The Lumineers. There are 5 versions, from 11 to 73 seconds long. Tags: country, guitar and acoustic guitar. Click a tag below to see more ringtones like this. Two formats are available: .MP3 for Android and other phones and .M4R for iPhone. More ringtones by The Lumineers are on the artist page, the link is under the title.