 Guest musicians were former Fairport Convention bandmates Sandy Denny on vocals and keyboards, and Richard Thompson on accordion and guitar.The album also featured guitarist Tim Renwick, jazz pianist Keith Tippett and Matthews' future bandmate in Plainsong, Andy Roberts.The second track on the album, ‘Hearts’, was released as a single on April 23rd 1971; the album itself (catalogue number VEL-1002) was released worldwide on May 1st that year.