ZWV 137Salve Regina (parody on 'Canzon quarti toni' from Frescobaldi's 2nd organ Mass 'Messa delli Apostoli' from Fiori Musicali, attributed to Zelenka) [Referred to as either ZWV 137, ZWV137, Z.137 or Z137]. Key: A minor. Composed: ?.Type of work: Vocal.[SATB, ch.; 2Ob.; 2Vn.; Va.; B.c.] Category: Marian Antiphon. Show recordings.