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 final record. Identified in type on The Mastering Lab labels with relevant track listings and artist info, and dated March 10, 1987 (three months before the album’s release). In very fine condition. Accompanied by the original sleeve from The Mastering Lab. The first single off the album, ‘Alone,’ was a number one hit, and as of 2010 Bad Animals had sold in excess of five million copies in the US alone. Originates from the personal collection of legendary engineer and producer Ron Nevison. RR Auction COA.