Which musician, Ian Ball or Dave Mustaine, is co-founder of the American metal band Megadeth?
Ian Ball Ian Thomas Ball (born 19 October 1975) is an English musician, most notable for being part of the indie rock band Gomez, sharing lead vocals and guitars. He has also performed and released two solo albums (as of June 2017). He is also a member of the 14 piece supergroup Operation Aloha (album). along with fellow Gomez member Olly Peacock.
Act of Defiance Act of Defiance is an American extreme metal supergroup from Los Angeles, California, formed in 2014 by guitarist Chris Broderick and drummer Shawn Drover of Megadeth after they both resigned from the band on the same day, vocalist Henry Derek (ex-Scar the Martyr frontman) and bassist Matt Bachand (Shadows Fall guitarist).