RR Auction's Marvels of Modern Music Auction

Three Columbia Records 10? acetates of Mason’s 1978 single ‘Let It Go, Let It Flow.’ First is double-sided, with one side containing a stereo version

Two Columbia Records 10? acetates of Mason’s 1977 single ‘We Just Disagree.’ First is double-sided, with one side identified as “stereo” and the other

Two Columbia Records single-sided 10? acetates of Mason’s 1978 single ‘Will You Still Love Me Tomorrow,’ one featuring a stereo version and the other

CBS Records single-sided 10? acetate of Europe’s 1989 single ‘Let the Good Times Rock,’ featuring the track at a length of 4:03. Identified in type on

CBS Records double-sided 10? acetate of Europe’s 1988 single ‘Open Your Heart,’ with a 4:02 “LP” version on side one and a 3:54 “Edit” version on side

Two CBS Records single-sided 12? copper acetates of Europe’s 1988 album Out of This World, each disc featuring one side of the final record. Both are

Two Epic Records single-sided 12? acetates of Europe’s 1988 album Out of This World, each disc featuring one side of the final record. Both are identi

Two Capitol Records 12? acetates of Heart’s 1985 self-titled album. First is double-sided, each side featuring five songs that correspond with those a

Capitol Records double-sided 12? acetate of Heart’s 1987 album Bad Animals, each side featuring five songs that correspond with those appearing on the

Two Capitol Records single-sided 12? acetates of Heart’s 1987 album Bad Animals, each disc featuring one side of the final record. Both are identified

Two Capitol Records single-sided 12? acetates of Heart’s 1987 album Bad Animals, each disc featuring tracks from one side of the final record, both la

Two Capitol Records single-sided acetates of Heart’s song ‘If Looks Could Kill.’ First is 12? and features the track at a length of 4:50, dated May 30

Three Capitol Records single-sided acetates of Heart’s song ‘Nothing at All.’ First is 12? and features the track at a length of 5:14, dated May 30, 1

Capitol Records double-sided 10? acetate of Heart’s 1985 song ‘Nobody Home,’ with the track featured on both sides, one side hand-notated on the label

Two Capitol Records single-sided 10? acetates of Heart’s 1987 single ‘There’s the Girl,’ each featuring a version of the track. Both are identified in

Capitol Records single-sided 10? acetate of Heart’s 1986 single ‘These Dreams,’ featuring a 3:46 version of the hit. Identified in type on The Masteri

Capitol Records single-sided 10? acetate of Heart’s 1987 single ‘Want You So Bad.’ Identified in type on The Mastering Lab label with the track listin

Two Capitol Records single-sided 12? acetates of Heart’s 1985 single ‘What About Love,’ one featuring a 5:27 version of the song and the other featuri

Two Capitol Records single-sided 10? acetates of Heart’s 1985 single ‘What About Love,’ one featuring a 3:40 version of the song and the other featuri

Two RCA Records single-sided 12? acetates of Jefferson Starship’s 1984 album Nuclear Furniture, each disc featuring tracks from one side of the final