Question: Which operetta does Lamplighters Music Theature feature that was composed by Leonard Bernstein?
Sentence (from "Four Anniversaries for the Piano"): Leonard Bernstein composed four other works using the same concept: "Seven Anniversaries" (1943), "Five Anniversaries" (1948–1951), "Two Anniversaries" (1965), and "Thirteen Anniversaries" (1988).
Relevant evidence: No