Beyond the bassline: the complex musical and personal life of Tim Commerford

Countries & Cities · Published 10 October 2026 Swipe more like this →

In short: Known for anchoring the sound of Rage Against the Machine, Audioslave, and Prophets of Rage, Tim Commerford is a musician whose career spans decades of genre-defying projects. Yet, his life outside the studio—marked by unconventional beliefs, health battles, and a distinct approach to his instrument—is equally compelling and often misunderstood.

Born in Irvine, California, in 1968, Tim Commerford developed an early affinity for bassists like Geddy Lee and Steve Harris, influences that shaped his preference for playing exclusively with his fingers. He views using a pick as guitar-like, reserving an exception only for Chris Squire, whose tone on the song Roundabout he considers a gold standard. Throughout his career, Commerford has relied on various instruments, including Fender Jazz Basses and, since 2016, Music Man StingRay models, which have been featured in custom artist series releases.

Commerford’s professional trajectory is defined by his role in major rock acts and a series of experimental side projects. Following the departure of Zack de la Rocha from Rage Against the Machine, he joined forces with Chris Cornell to form Audioslave, whose 2002 debut achieved triple platinum status. Later, he explored diverse sounds through bands like Future User, Wakrat, and 7D7D. His collaborative spirit has extended to projects with artists such as Maynard James Keenan and Dave Grohl, while his personal life has seen significant transitions, including a marriage to Aleece Dimas that ended in 2024.

Beyond music, Commerford has gained attention for his outspoken skepticism regarding mainstream narratives. In a 2015 interview, he expressed doubts about the Moon landing and the authenticity of ISIS beheading videos, framing them as government-manufactured tools for geopolitical intervention. These views reflect a self-described conspiracy-theorist mindset that has occasionally placed him in direct confrontation with public figures. More recently, Commerford has faced personal challenges, revealing in 2022 that he had undergone surgery for prostate cancer shortly before touring with Rage Against the Machine that same summer.

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