Complex sentence: Following the release of "Tip", drummer Rob Gommerman left the band and was replaced by Rich Beddoe whom James Black had met coincidentally at an Alice in Chains concert several years earlier in Toronto.
Split into simpler sentences: Following the release of "Tip", drummer Rob Gommerman left the band. He was replaced by Rich Beddoe, whom James Black had met coincidentally at an Alice in Chains concert several years earlier in Toronto.