Top musicians and celebrities have taken to social media to pay their respects to the late Adam "MCA" Yauch of the Beastie Boys, who died at the age of 47 on Friday after a long battle with cancer.
Rapper Ludacris wrote on Twitter: "R.I.P. MCA from the Beastie Boys. He was an integral part of building the Def Jam label that I am a part of today. Condolences to the Fam."
Smashing Pumpkins' frontman Billy Corgan tweeted: "Sad news about Adam Yauch's passing, a man of dignity + spiritual conviction. I always had great respect for him in times we met and talked."
Flea from the Red Hot Chili Peppers wrote on Twitter: "Prayers and all the love I could ever muster for Adam Yauch. What a beautiful man. God bless his beautiful soul. A class act all the way."
Occupy Wall Street wrote on Twitter: "Adam Yauch marched with us in November over the Brooklyn Bridge. He was a visionary artist who never lost sight of his community. #RIP"
Green Day's Billie Joe Armstrong tweeted: "Lollapalooza94 talked to Yauch almost everyday He was full of wisdom & encouragement for a freaked out kid like I was. Thank you MCA. LoveBJ"
Musician Cee Lo Green tweeted: "Now playing: something's got to give: BEASTIE BOYS R.I.P. M.C.A. One of the best hip-hop groups of all time!much love to MIKE-D and AD-ROCK."