Adam Yauch aka MCA of the Beastie Boys dead at 47: Celebrity reactions

Slideshow posted in Photos | Friday, May 04, 2012

5 of 20: Travis Barker of 'Blink 182' expressed his condolences for the loss of a fellow musician.

He Tweeted on May 4: 'Rest In Peace Adam Yauch /MCA. 4ever somebody i looked up to & had the pleasure of meeting. Damn this bums me out, we lost one of the best,' he Tweeted.

(Pictured: Travis Barker appears in a 2010 photo posted on his Twitter page.) (