Rage Against the Machine guitarist Tom Morello will release his first solo rock album on Sept. 25 through Mom + Pop Music. The record showcases work with Serj Tankian, Kneecap, Beartooth, and his 15-year-old son Roman Morello. Roman Morello shares songwriting credit on five songs. The Mary Morello Project started after his mother's death at age 102. Mary Morello spent her life working as a social justice campaigner.