los angeles — Phil Lesh, a classically trained violinist and jazz trumpeter who found his true calling reinventing the role of rock bass guitar as a founding member of the Grateful Dead, died Friday at age 84.

Lesh’s death was announced on his Instagram account. He was the oldest and one of the longest-surviving members of the band that came to define the acid rock sound emanating from San Francisco in the 1960s.

Lesh “passed peacefully this morning. He was surrounded by his family and full of love. Phil brought immense joy to everyone around him and leaves behind a legacy of music and love,” the Instagram statement said.

The statement did not cite a cause of death, and attempts to reach representatives for additional details were not immediately successful. Lesh had previously survived bouts of prostate cancer, bladder cancer and a 1998 liver transplant necessitated by the debilitating effects of a hepatitis C infection and years of heavy drinking.

Lesh’s death came two days after MusiCares named the Grateful Dead its Persons of the Year. MusiCares, which helps music professionals needing financial or other kinds of assistance, cited Lesh’s Unbroken Chain Foundation, among other philanthropic initiatives. The Dead will be honored in January at a benefit gala ahead of the Grammy Awards in Los Angeles.

Low profile

Although he kept a relatively low public profile, rarely granting interviews or speaking to the audience, fans and fellow band members recognized Lesh as a critical member of the Grateful Dead whose thundering lines on the six-string electric bass provided a brilliant counterpoint to lead guitarist Jerry Garcia’s soaring solos and anchored the band’s famous marathon jams.

“When Phil’s happening, the band’s happening,” Garcia once said.

Drummer Mickey Hart called him the group’s intellectual who brought a classical composer’s mindset and skills to a five-chord rock ‘n’ roll band.

Lesh credited Garcia with teaching him to play the bass in the unorthodox lead-guitar style that he would become famous for, mixing thundering arpeggios with snippets of spontaneously composed orchestral passages.

Fellow bass player Rob Wasserman once said Lesh’s style set him apart from every other bassist he knew of. While most others were content to keep time and take the occasional solo, Wasserman said Lesh was both good enough and confident enough to lead his fellow musicians through a song’s melody.

“He happens to play bass but he’s more like a horn player, doing all those arpeggios — and he has that counterpoint going all the time,” he said.

Lesh began his long musical odyssey as a classically trained violinist, starting with lessons in third grade. He took up the trumpet at 14, eventually earning the second chair in California’s Oakland Symphony Orchestra while still in his teens.

But he had largely put both instruments aside and was driving a mail truck and working as a sound engineer for a small radio station in 1965 when Garcia recruited him to play bass in a fledgling rock band called the Warlocks.

Armed with a cheap four-string instrument his girlfriend bought him, Lesh sat down for a seven-hour lesson with Garcia, following the latter’s advice that he tune his instrument’s strings an octave lower than the four bottom strings on Garcia’s guitar. Then Garcia turned him loose, allowing Lesh to develop the spontaneous style of playing that he would embrace for the rest of his life.

Traded leads

Lesh and Garcia would frequently exchange leads, often spontaneously, while the band as a whole would frequently break into long experimental, jazz-influenced jams during concerts. The result was that even well-known Grateful Dead songs like “Truckin’ ” or “Sugar Magnolia” rarely sounded the same two performances in a row, something that would inspire loyal fans to attend show after show.

“It’s always fluid. We just pretty much figure it out on the fly,” Lesh said, chuckling, during a rare 2009 interview with The Associated Press. “You can’t set those things in stone in the rehearsal room.”

Phillip Chapman Lesh was born on March 15, 1940, in Berkeley, California, the only child of Frank Lesh, an office equipment repairman, and his wife, Barbara.

He would say in later years that his love of music came from listening to broadcasts of the New York Philharmonic on his grandmother’s radio. One of his earliest memories was hearing the great German composer Bruno Walter lead that orchestra through Brahms’ First Symphony.

Musical influences he often cited were not rock musicians but composers like Bach and Edgard Varese, as well as jazz greats like John Coltrane and Miles Davis.

Lesh had gravitated from classical music to cool jazz by the time he arrived at the College of San Mateo, eventually becoming first trumpet player in the school’s big band and a composer of several orchestral pieces the group performed.

But he set the trumpet aside after college, concluding he didn’t have the lung power to become an elite player.

Soon after he took up the bass, the Warlocks renamed themselves the Grateful Dead and Lesh began captivating audiences with his dexterity. Crowds gathered in what came to be known as “The Phil Zone” directly in front of his position onstage.

Although he was never a prolific songwriter, Lesh also composed music for the band and sometimes sang some of its most beloved songs. Among them were the upbeat country rocker “Pride of Cucamonga,” the jazz-influenced “Unbroken Chain” and the ethereally beautiful “Box of Rain.”

Lesh composed the latter on guitar as a gift for his dying father, and he recalled that Grateful Dead lyricist Robert Hunter, upon hearing the instrumental recording, approached him the next day with a lyric sheet. On that sheet, he said, were “some of the most moving and heartfelt lyrics I’ve ever had the good fortune to sing.”

The band often closed its concerts with the song.

Later tours

After the group’s dissolution following Garcia’s 1995 death, Lesh often skipped joining the other surviving members when they got together to perform.

He did take part in a 2009 Grateful Dead tour and again in 2015 for a handful of “Fare Thee Well” concerts marking both the band’s 50th anniversary and what Lesh said would be the last time he would play with the others.

He did continue to play frequently, however, with a rotating cast of musicians he called Phil Lesh and Friends.

In later years he usually held those performances at Terrapin Crossroads, a restaurant and nightclub he opened near his Northern California home in 2012, which was named after the Grateful Dead song and album “Terrapin Station.”

Lesh is survived by his wife, Jill, and sons Brian and Grahame.
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