Aside from 70, Girls, 70, what stage musicals did John Kander compose for?
70, Girls, 70: 70, Girls, 70 is a musical with a book by Fred Ebb and Norman L. Martin adapted by Joe Masteroff, lyrics by Ebb, and music by John Kander. John Kander:  His best-known stage musicals as composer are "Cabaret" and "Chicago", both of which were later adapted into films.
"Cabaret" and "Chicago"