Answer: McGovney was a member of METALLICA during 1982 and appeared on the band's early demos. Tension between McGovney and then- METALLICA guitarist Dave Mustaine led to the bassist quitting the band and being replaced by Cliff Burton.
Step-by-step explanation:
He left due to the rising tension between McGovney and then METALLICA guitarist Dave Mustaine. He was later replaced by Cliff Burton.