Legendary radio DJ Bob Coburn, best known as the longtime host for syndicated radio show “Rockline”, passed away Saturday at the age of 68. Coburn had been battling stage four lung cancer.

Coburn took over as the host of Rockline in 1981, just a few short months after it first aired. The show continued with Coburn as host for 33 years.

Upon the news of his death, starts took to social media to share their tributes.

We’ve lost a rock’n’roll legend – RIP Bob Coburn https://t.co/d4Q88VaoHQ pic.twitter.com/cN3Oi4hPHE

— Sammy Hagar (@sammyhagar) December 18, 2016

So sad. Bob Coburn was a lovely guy and the spirit of kindness. Thank you for your support. RIP my friend. @955KLOS https://t.co/Ji5dLz1e7j

— Paul Stanley (@PaulStanleyLive) December 18, 2016

RIP #Rockline host #BobCoburn. A musical IQ and warm heart at the top of the charts. Thank you for everything. pic.twitter.com/rctJoWlNYV

— Tom Morello (@tmorello) December 18, 2016

RIP to one of the greatest voices in Rock n Roll radio. I grew up listening to this iconic ambassador to rock music. Bob Coburn was one of a kind classic. I’m proud to say that I knew him. He will be seriously missed.

A photo posted by Slash (@slash) on Dec 17, 2016 at 7:28pm PST

Sad to report the loss of a great friend and Radio Legend. Mr. Bob Coburn passed away today. Millions of listeners will miss you brother. pic.twitter.com/tZa51S7sWF

— Don Felder (@donfelder) December 18, 2016

@BLABBERMOUTHNET so sorry to hear this bad news. RIP dear friend ?????

— Neal Schon (@NealSchonMusic) December 18, 2016