Gone But Not Forgotten: Music Stars We Lost in 2012
ADAM YAUCH
August 5, 1964 - May 4, 2012 (Age 47)
Gruff-voiced rapper, musician and video auteur known as MCA in the groundbreaking hip hop trio The Beastie Boys.

As news broke of Beastie Boy Adam "MCA" Yauch's death Friday (May 4), music celebs quickly joined the worldwide conversation. Here are 20 reactions -- ranging from sadness to shock to salutation -- from musicians via Twitter.

Adam Yauch Dead at 47 | MCA's 10 Best Rhymes

Photos: Beastie Boys Through the Years | Beastie Boys Chart History


@TMorello: Rip dear Adam Yauch. Words can't express the sadness and loss. Ur humor, talent & gentle soul are just irreplacable. Be at peace brother.
twitter @BJAofficial (Billie Joe Armstrong): Lollapalooza94 talked to Yauch almost everyday He was full of wisdom & encouragement for a freaked out kid like I was. Thank you MCA. LoveBJ
twitter @UncleRUSH (Russell Simmons): RIP Adam Yauch. My thoughts... Adam was incredibly sweet and the most sensitive artist, who I loved dearly. I was always inspired by his work. He will be missed by all of us.
twitter @BoyzIIMen: Sad sad day. Beastie Boys' Adam Yauch dies at age 47. Our condolences to Mike D, Ad Rock and the family. #beastieboys
@JTimberlake: Crushed to hear the news of Adam Yauch's passing. A true pioneer of art. My thoughts and prayers are with his family and loved ones. #RIPMCA
questlove @Questlove: Yauch is gone. fuck.
twitter @DuranDuran: Rest in Peace Adam Yauch. Our condolences to your friends and family.
twitter @ATrak Man. I was raised on the Beastie Boys. They were (and will always be) heroes for me & my bro. Soooo sad. #RIPMCA
Snoop Dogg @SnoopDogg: RIP MCA U are a Legend and a pioneer. #BeastieBoys4life
twitter @RevRunWisdom: R I P Adam... I'm devastated. Praying for Adam Yauch's family from the legendary Beastie Boys. Youll be missed!
twitter @Common: God Bless the soul of Adam Yauch aka MCA of the Beastie Boys. RIP
twitter @JimmyEatWorld: We're very saddened by the passing of Adam Yauch. RIP MCA. You'll be missed. http://www.youtube.com/watch?v=ZdJ5e70Q8mw
twitter @QTipTheAbstract : RIP yauch and thank u mike and adam n adam 4 all of your help, the tours, the bball games, n great times. a humanitarian a tru friend
linkinpark @LinkinPark: We're sad to learn about the death of MCA. Our condolences to the Beastie Boys and Adam's family
twitter @DonaldGlover (Childish Gambino): Adam Yauch was an amazing artist and one of the nicest people I've ever met. His music was some of my favorite. Truly saddened. RIP MCA.
twitter @SLessard (Dave Matthews Band): My heart broke reading the Adam Yauch has passed away. One of my favorite MC's that I have been so inspired by time and time again.
@JordanKnight: Adam Yauch aka MCA.... You were a huge inspiration for us....thank you for all that you gave, R.I.P.
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Adam Yauch, Beastie Boys' MCA, Dead at 47