Miles Davis Sextet,John Coltrane,Buddy Montgomery/CA,USA 1969

This is an unreleased acetate sound source that was sold for over $1,000 on the US auction site “ebay” this year (2021). The live sound source of the sextet with Buddy Montgomery is ultra rare. Live at Civic Auditorium, San Francisco 03/04/1969 1.So What(17:22) 2.On Green Dolphine Street(3:53) Miles Davis(tpt) John Coltrane(ts) Buddy Montgomery (vibe) Wynton Kelly (p) Paul Chambers (b) Jimmy Cobb (dr)