Alice Cooper

Roberts’ return comes after Cooper’s former resident shred star Nita Strauss announced her departure from the lineup earlier this week

Strauss announced the end of her eight-year tenure in Cooper's band on social media, saying that she was "forever thankful" for her time with the rock legend

One of Strauss's bandmates hurled the underwear back into the crowd, where they landed on another fan's face. “I actually fell down from laughing so hard,” the guitarist remembers

The new show stars unsigned musicians performing all-original compositions in competition for a record deal, studio time, festival slots and more – watch the first two episodes now

The event – which benefits Cooper's Rock Teen Center in Phoenix, Arizona – took place on Saturday

During Cooper’s recent show at West Palm Beach, Frehley added his guitar firepower to fellow axe-slingers Nita Strauss, Ryan Roxie and Tommy Henriksen for the high-octane grand finale

The iconic guitar was lent to Strauss by Benny Goodman of The Neurotic Guitarist, who has started the #ALSAWARENESS4JASON hashtag in order to raise awareness for Becker and ALS

"They’re just three notes played differently, at different speeds, on different guitars, in different styles,” says the Alice Cooper guitarist

The School's Out rocker says the genre is “where it should be right now”