Metallica

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

Documented strings, guitars, amps, and effects Kirk Hammett uses with Metallica. The Ernie Ball RPS-10/RPS-11 hybrid set (.010 to .048), the ESP KH signature line, the Mesa Boogie Rackmount Dual Rectifier years, the Randall KH signature era, the current Fractal Axe-FX III live rig, and Greeny. Every claim cited.

Documented bass-string gauges, brands, and tunings Cliff Burton used with Metallica from 1982 until his September 1986 death. Rotosound Swing Bass 66 documented use, Rickenbacker 4001 + Aria SB-1000 + Alembic basses, Morley wah pedal effects. Historical, with citations.

Documented bass-string gauges, brands, and tunings Jason Newsted has used across Metallica (1986-2001), Voivod, and Newsted. D'Addario artist roster, Spector + Sadowsky basses, four-string + five-string contexts. With citations.

Documented bass-string gauges, brands, and tunings Robert Trujillo uses with Metallica. D'Addario artist, Fender Custom Shop signature Precision Bass, primarily four-string E and Eb standard. With citations.

Lars Ulrich co-founded Metallica in 1981 and has anchored the band across 11 studio records. Tama Starclassic kit, Zildjian cymbals, Tama Iron Cobra pedal, the thrash-into-modern-metal pocket that defined the genre.