On this page you will find the Dumb ringtone in several versions, all free to download. Artist: Nirvana. You can choose from 6 versions between 17 and 39 seconds. If you like guitar, midtempo and psychedelic rock ringtones, see the tags below. Two formats are available: .MP3 for Android and other phones and .M4R for iPhone. All ringtones by Nirvana are collected on the artist page.