The rhythmic backbone of Jethro Tull's early progressive rock era
In short: Before he became a session staple, Glenn Cornick provided the nimble, jazz-fluent foundation for one of Britain's most iconic rock bands. His departure from Jethro Tull wasn't due to musical failure, but rather a lifestyle clash that left a permanent mark on the band's history.
Born in 1947, Glenn Cornick was a classically trained musician who joined Jethro Tull in 1967. During the group's initial three releases—Benefit, Stand Up, and This Was—he served as their founding bassist. His contribution was significant enough that Rolling Stone described his playing as 'stout, nimble underpinning,' noting its ability to balance blues-ribbed rhythms with jazz fluency. Because of his formal training, Cornick also played a key role in arranging the band's music during these formative years.
Despite his musical importance, Cornick was fired from Jethro Tull in 1970. The primary reason cited was not a lack of skill, but a lifestyle preference; his inclination toward partying differed significantly from the rest of the group. Following his exit, he moved into session work and formed several projects, including Wild Turkey and Paris. His career took him across genres, from recording with German band Karthago to forming the trio Paris in Los Angeles alongside Bob Welch of Fleetwood Mac.
Cornick's legacy remained tied to Jethro Tull through various tributes and reunions. In 1996, he participated in a tribute album featuring former bandmates like Clive Bunker and Mick Abrahams. He continued to record with Wild Turkey into the 2000s, often reuniting with past collaborators such as drummer Clive Bunker. Cornick passed away in Hawaii in 2014, remembered by peers like Ian Anderson for his vital role in shaping the early sound of British progressive rock.
His career illustrates the tension between technical mastery and personal lifestyle within the high-pressure environment of 1970s rock. While many session musicians are defined by their versatility, Cornick's specific ability to bridge jazz and blues provided a sophisticated 'underpinning' that helped define the progressive movement.
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- Summary by Intellect · source: Glenn Cornick
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