4-9 PIECE INSTRUMENTATION NB: Line up is flexible with options below Either: Trumpet Piano Harpsichord Harp Double Bass (+optional string quartet) Or: Trumpet Piano Keyboard (Harpsichord/Harp) Double Bass (+optional string quartet) NB: The keyboard can replace both the harpsichord and harp, and the string quartet is optional. However, the song "Day Follows Day" in Act II is not included in any of the optional parts.