The Merry Widow: Act III. Nr. 15 “Strings are sighing” (Waltz) / Nr. 16 Finale (Danilo, Anna, Zeta, Everybody) by Vincent Angeli , James Billings , Harlan Foss , Glenys Fowles , Thomas Jamerson , Alan Kays , New York City Opera Chorus , Henry Price , Beverly Sills , David Rae Smith , Alan Titus , Julius Rudel