On Sunday, October 18, 1987, Warne Marsh was leading a quartet that performed in San Francisco. The concert was held just two months before the cool-jazz tenor saxophonist would collapse and die of a heart attack on stage at Donte's in North Hollywood at age 60.
Backing Marsh in San Francisco was Larry Koonse (g), Seward McCain (b) and Jim Zimmerman (d).…