The British bassist passed away at his home in Suffolk, England at the age of 71 after a battle with liver disease and his loss has sent a shockwave across the music industry.
Kiss frontman Stanley posted a picture of Bruce on his Twitter.com and added in a caption, "Rip Jack Bruce. One of the true greats. Bass playing & singing in Cream influenced countless others who followed. Sad," while Queen guitarist May adds, "Rip Jack Bruce. So sad to hear this great pioneering rock musician is gone. Inspiring to us all. I'll be listening to (Cream song) Badge tonight..."
Beatles legend Starr offers, "We lost Jack Bruce today an incredible musician writer and a good friend peace and love to all his family."
Former Guns N' Roses star Slash adds, "Just heard the news of Jack Bruce passing; he was a prince of a man & an icon of his generation, my generation & generations to come. Rip," and The Eagles Joe Walsh writes, "Sad to hear of Jack Bruce's passing. He was a good friend and a remarkable musician."
Black Sabbath's Iommi writes, "Very sad to hear of the passing of Jack Bruce, a major influence in music and an amazing bass player and singer. He was a hero to so many," and his bandmate Geezer Butler adds, "So sad to hear of Jack Bruce passing. My biggest influence and favourite bass player. Thank you, Jack. Rip."
Canadian crooner Bryan Adams offers, "Jack Bruce Rip Jack Bruce Cream."
Other tributes have come in from Red Hot Chili Peppers star Flea, Megadeth rocker Dave Mustaine and Anthrax's Scott Ian, as well as actor Val Kilmer and producer Mark Ronson,