bass Ray Brown
tracks a1, a2, a5, b3, b5, c2 to c5, d2, d4 drums Buddy Rich
tracks a3, a4, a6, b1, b2, b4, c1, d1, d3, d5, d6 drums Louis Bellson
guitar Herb Ellis
piano Oscar Peterson
producer Norman Granz
sleeve notes Alun Morgan
vocals Ella Fitzgerald
vocals, trumpet Louis Armstrong
tracks a3, b1, b2, c4, d4 written-by George & Ira Gershwin
tracks a1, a6, c3 written-by Irving Berlin
Tracks A1, A2, A5, B3, B5, C2 to C5, D2, D4 recorded in Los Angeles on August 16, 1956
Tracks A3, A4, B1, B2, B4, C1, D3 recorded in Los Angeles on July 22 and 23 1957
Tracks A6, D1, D5, D6 recorded in Los Angeles on August 13 1957

[Appears to be selection of material released on albums Ella And Louis and Ella And Louis Again]

Matrix / Runout: VSP 19 A 1
Matrix / Runout: VSP 19 B 1
Matrix / Runout: VSP 20 A 1
Matrix / Runout: VSP 20 B 1