Phil Lesh, bassist and founding member of The Grateful Dead, died surrounded by his family, a post on his Instagram said.

"Phil Lesh, bassist and founding member of The Grateful Dead, passed peacefully this morning. He was surrounded by his family and full of love. Phil brought immense joy to everyon

Phil Lesh, a founding member of the Grateful Dead whose electric bass playing came to define the psychedelic San Francisco sound, died Oct. 25.

Fans and fellow band members recognized Phil Lesh as a critical member of the Grateful Dead and he was known for his thundering lines on the six-string electric bass.

One of the first rock bassists whose instrument regularly took a lead role, he also had a hand in writing some of the band’s best-known songs.

A founding member of the Grateful Dead, bassist Phil Lesh, has died at 84 years old. He "passed away peacefully" while "surrounded by his family" his Instagram page said.