She also performed at the 2016 CMA Music Festival. In 2016, Mustaine released her cover of 'I Thought I Knew It All', a Megadeth song from the album Youthanasia, and her first original composition, 'Life Is Good' written by Mustaine, Nathan Chapman, and Blair Daly. In 2013, she performed a cover of her father's band's song ' A Tout le Monde' by Megadeth on Seattle's KING-TV and having a benefit concert for the Ward 57 Wounded Warrior Project to raise funds for wounded veterans and their families.

Mustaine began performing at fairgrounds and small gigs and venues around San Diego County and in Chicago. That's when her family started to support her pursuit of a musical career. As Mustaine built her voice, her love for music began to flourish above all else. She would continue to frequent Los Angeles for auditions and acting classes. Mustaine was co-host of Animal Planet's TV show, Faithful Friends 'Itty Bitty Buddy' segment with WWE wrestler Bill Goldberg's wife, Wanda. She began to practice singing in hopes of one day becoming a prominent figure in the world musical theater and acting. Mustaine moved to Fallbrook, California, at age five and started pursuing a career in musical theater at age seven. She was born in Scottsdale, Arizona on January 28, 1998, six years after her older brother, Justis. 4 5 Mustaine has been to rehab throughout his life, fighting alcohol and drug problems, 6 7 and briefly battled throat cancer in 2019. 3 He now identifies as a born-again Christian. Mustaine is the daughter of Dave Mustaine, lead vocalist of Megadeth, and Pamela Anne Casselberry. Mustaine was originally born into a family of Jehovah's Witnesses. The daughter of heavy metal musician Dave Mustaine, she was raised in Fallbrook, California and currently resides in Nashville, Tennessee. Electra Nicole Mustaine (born January 28, 1998) is an American musician.

Pam mustaine