Jimmy Calvert to Signs in 9 Steps
- Jimmy Calvert played guitar for You're Sixteen
- You're Sixteen features guitar played by Vini Poncia
- Vini Poncia wrote Lady Gaye
- Lady Gaye was written by Ringo Starr
- Ringo Starr played drums for Loop de Loop
- Loop de Loop was arranged by John Lennon
- John Lennon produced All My Life
- All My Life was arranged by Harry Nilsson
- Harry Nilsson wrote Signs