Jane’s Addiction opened for the Ramones back in the early 80’s in Pgh
almost turned into a riot when security and Pgh police had to escort Jane’s Addiction from the venue after the crowd turned on Jane’s Addiction lead
I forget who Alice Cooper was opening for but he was unknown and people were throwing things at him and he was hit by a half eaten melon so he tried to use it in his act by squeezing it while singing. He had to leave.