Who is an American composer who wrote "Could I leave you?"
Could I Leave You? (song):  is a song written by Stephen Sondheim for the 1971 musical "Follies" for the character Phyllis. Stephen Sondheim: Stephen Joshua Sondheim ( ; born March 22, 1930) is an American composer and lyricist known for more than a half-century of contributions to musical theatre.
i don't know