"I'm In a Different World" is a song written and produced by Brian Holland, Lamont Dozier and R Dean Taylor. It's noted as the final recording they did for The Four Tops before leaving the label due to royalty disputes with Motown. The label issued the song in 1968 as the follow-up single to "Yesterday's Dreams

Yesterday's Dreams

"Yesterday's Dreams" is a 1968 single recorded by The Four Tops for the Motown label. The single was one of the first the group released after the departure of Holland-Dozier-Holland, who had handled the majority of the Four Tops recordings prior to 1968. Released off the album of the same name,...

", and peaked at number forty-seven on the US pop chart. The single reached #27 on the UK chart.

Credits

• Lead vocal by Levi Stubbs
  Levi Stubbs
  Levi Stubbles , better known by the stage name Levi Stubbs, was an American baritone singer, best known as the lead vocalist of the Motown R&B group Four Tops...
  
  
• Background vocals by Abdul "Duke" Fakir, Lawrence Payton
  Lawrence Payton
  Lawrence Albert Payton was an American tenor, songwriter and record producer for the popular Motown quartet, the Four Tops....
  
   and Renaldo "Obie" Benson
• Additional background vocals by The Andantes
  The Andantes
  The Andantes were a prolific female sessions group for the Motown record label during the 1960s. Composed of Jackie Hicks, Marlene Barrow, and Louvain Demps, the group sang background vocals on numerous Motown recordings, including songs by Martha Reeves & the Vandellas, The Temptations, Stevie...
  
  
• Instrumentation by The Funk Brothers
  The Funk Brothers
  The Funk Brothers was the nickname of Detroit, Michigan, session musicians who performed the backing to most Motown Records recordings from 1959 until the company moved to Los Angeles in 1972...