The lead guitarist with one of America's most successful rock groups said on Monday that he and his bandmates were "positively looking for a new singer to work with," following a rift with energetic frontman Steven Tyler.
Joe Perry, 59, made the announcement on his Twitter page, ratcheting up an unusually public feud with his songwriting partner of 40 years.
The duo, dubbed the "Toxic Twins" for their hard-living days of yore, wrote such classic-rock staples as "Walk this Way" and "Love in an Elevator." Their musical relationship has been likened to that of their role models, Mick Jagger and Keith Richards of the Rolling Stones.
But Tyler, 61, recently said he wants to concentrate on solo endeavors, a claim he has made in the past but never followed through on. He also stopped communicating with the rest of the band several months ago, and hired his own manager.