Conversation so far:
What was Chick Corea's original music style?
From 1968 to 1971 Chick Corea had associations with avant-garde players, and his solo style revealed a dissonant orientation.
What was the new style Chick Corea switched to during the early 1970s?
In the early 1970s, Chick Corea took a profound stylistic turn from avant-garde to a crossover jazz fusion style that incorporated Latin jazz
What album first featured Chick Corea's new style?
The band Return to Forever's first album, titled simply Return to Forever featured Chick Corea's new style.

Question: When was Return to Forever released?
Self-contained rewrite: When was Return to Forever by Return to Forever released?