After the completion of "Do I Hear a Waltz", Sondheim devoted himself to both composing and writing lyrics for a series of varied and adventurous musicals, beginning with the innovative "concept musical" "Company" in 1970.
After the completion of "Do I Hear a Waltz", Sondheim devoted himself to both composing and writing lyrics for a series of varied and adventurous musicals. Sondheim collaborated with producer/director Harold Prince on six musicals between 1970 and 1981, beginning with the innovative "concept musical" "Company" in 1970.