Tracks 1 to 16 recorded at the Sandrew Studio in Stockholm, Sweden on June 30, 1960. Tracks 17 to 21 recorded at the Sandrew Studio in Stockholm, February 11, 1959. Mastered at Digitalfabriken (Tracks 1 to 16) Originally released as [r2509150] (1, 4, 8 to 10, 12 to 16) and on [r=3458805] (17 to 21) Nos. 2, 3, 5 to 7 and 11 are previously unissued.