Image from Discogs
Mumbles is either of the following:
1. A Swedish experimental folk group from Sweden on the Leaf Dog label, associated with the Swedish noise-folk group Them Teeth on sister label Works ov Cauldron. https://everythingmumbles.com/
2. An American hip-hop producer from Los Angeles, USA. He is best known for his work with aceyalone but also has two solo releases.
3. An indiepop band based in Bristol and Swansea, England. The band is Stu and Simon both formally of The Sweetest Ache. They released an EP entitled "Breaking Up" on Sunday Records in 2003.
4. Some folky, lo-fi trashgroup from Berlin, Germany, most inspired by outfits like The Moldy Peaches. http://musicmumbles.wordpress.com/
Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.
Artist biography from last.fm