There are multiple artists with this name:

1) drén is a Slovakian noise band formed in 2006 jumped from projects BLUE MONDAY and TED BUNDY EXPERIENCE Influenced by daily noise in life and japan alternative music and anime films

2) Dren is a progressive metal band from New Jersey, USA. Since its formation in 2005 the band has consisted of three core musicians, Nick Slutsky (Guitars), Wyatt Regan (Bass and Vocals) and Matt Neale (Drums). Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.