James Mastro to I Wonder Who's Kissing Her Now in 11 Steps
- James Mastro recorded Spaceman
- Spaceman was sung by Harry Nilsson
- Harry Nilsson wrote The World Is Coming To An End
- The World Is Coming To An End was published by Blackwood Music
- Blackwood Music published Turn On Your Radio
- Turn On Your Radio was produced by Richard Perry
- Richard Perry produced Gotta Get Up
- Gotta Get Up was recorded by Cynthia Henderson
- Cynthia Henderson recorded 1941
- 1941 was recorded by John Randolph Marr
- John Randolph Marr recorded I Wonder Who's Kissing Her Now