Harry Warren to Fred Tackett in 13 Steps
- Harry Warren wrote Shuffle Off to Buffalo
- Shuffle Off to Buffalo features piano played by Mac Rebennack
- Mac Rebennack is also known as Dr. John
- Dr. John played piano for Duit on Mon Dei
- Duit on Mon Dei includes saxophone played by Trevor Lawrence
- Trevor Lawrence played sax for Too Many Cooks
- Too Many Cooks was produced by John Lennon
- John Lennon arranged Loop de Loop
- Loop de Loop features piano played by Jane Getz
- Jane Getz played piano for Back Off Boogaloo
- Back Off Boogaloo features trombone played by Bruce Paulson
- Bruce Paulson played trombone for Drumming is My Madness
- Drumming is My Madness features guitar played by Fred Tackett