Metallica's 'Orion' Bass Solo Was Originally Planned as a Guitar Solo

Bassist Robert Trujillo reveals the backstory behind the iconic instrumental track's most memorable moment.

Published on Feb. 11, 2026

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In a recent interview, current Metallica bassist Robert Trujillo shared the story behind the bass solo in the band's classic instrumental track "Orion" from their 1986 album Master of Puppets. Trujillo revealed that the solo was originally intended to be a guitar solo by Kirk Hammett, but the late Cliff Burton ended up recording the bass part instead after Hammett was away from the studio.

Why it matters

This behind-the-scenes story provides insight into the creative process behind one of Metallica's most beloved and influential songs, highlighting the band's collaborative dynamic and the lasting impact of the late Cliff Burton's musical contributions.

The details

According to Trujillo, Hammett was supposed to play the solo on "Orion," but when he returned to the studio the next day, he found that Burton had already laid down the iconic bass part. Trujillo said Hammett "was away from the studio, came back the next day, and Cliff had laid the track. He played the solo there and there was no solo for Kirk." Trujillo noted that while Hammett "doesn't get enough solos," Burton's bass solo ended up being the perfect fit for the track.

  • Cliff Burton would have turned 64 on February 10, 2026.

The players

Robert Trujillo

The current bassist for Metallica, who joined the band in 2003.

Cliff Burton

The late bassist for Metallica, who was a member of the band from 1982 until his death in 1986.

Kirk Hammett

The lead guitarist for Metallica, who has been a member of the band since 1983.

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What they’re saying

“He was originally supposed to play the solo there, Kirk was. And he was away from the studio, came back the next day, and Cliff had laid the track. He played the solo there and there was no solo for Kirk.”

— Robert Trujillo, Metallica Bassist (The Metallica Report* podcast)

What’s next

Metallica is expected to perform "Orion" during their upcoming tour dates, giving fans a chance to experience the iconic bass solo live.

The takeaway

This story highlights the collaborative spirit and musical chemistry that defined Metallica's classic lineup, as well as the lasting influence of the late Cliff Burton, whose contributions continue to shape the band's most beloved songs.