Musicians and producers from California

Every Change Your Strings profile with a documented base of operations in California, grouped by role. Each card links to the full gear breakdown for that person.

Also from California

2 CYS profiles with documented base of operations here.

Guitarists(1)

James Hetfield
Guitarist
Documented string gauges, brands, and tunings James Hetfield has used across Metallica's career. With citations.

Bassists(1)

Mark Hoppus
Bassist
Documented gear Mark Hoppus runs with Blink-182: the Limited Edition Fender Mark Hoppus Jaguar Bass with reversed Seymour Duncan Quarter Pound pickups, Ernie Ball Super Slinky Bass strings (.045 to .100), and a Neural DSP Quad Cortex rack. Sourced from Premier Guitar's January 2026 Rig Rundown.