| 2 | Machines (or ‘Back to Humans’)- additional recording engineer:
- Mike Beiriger
- assistant recording engineer:
- Eddie DeLena and Stephan Wissnet
- recording engineer and programming:
- Reinhold Mack
- sampler programming:
- Mack
- engineer:
- Mack
- producer:
- Mack and Queen
- analog synthesizer, drum machine, drums (drum set), electronic drum set and vocoder:
- Roger Taylor (from 1983-08 until 1984-01)
- bass guitar:
- John Deacon (from 1983-08 until 1984-01)
- guest sampler [demolition fairlight sampler]:
- Mack
- guitar:
- Brian May (from 1983-08 until 1984-01)
- synthesizer and lead vocals:
- Freddie Mercury (from 1983-08 until 1984-01)
- background vocals:
- Brian May (from 1983-08 until 1984-01) and Freddie Mercury (from 1983-08 until 1984-01)
- phonographic copyright (℗) by:
- Queen Productions Ltd. (in 1984, in 2011) and Raincloud Productions Ltd. (in 1984)
- recorded at:
- Musicland Studios in München, Bayern, Germany (from 1983-08 until 1984-01) and The Record Plant in Hollywood, Los Angeles, California, United States (from 1983-08 until 1984-01)
- produced at:
- Musicland Studios in München, Bayern, Germany (from 1983-08 until 1984-01) and The Record Plant in Hollywood, Los Angeles, California, United States (from 1983-08 until 1984-01)
- recording of:
- Machines (or ‘Back to Humans’) (from 1983-08 until 1984-01)
- writer:
- Brian May and Roger Taylor
- publisher:
- EMI Music Publishing Ltd. and Queen Music Ltd.
| 5:09 |