Regina Caeli in C Major, K. 276 by Wolfgang Amadeus Mozart (1756-1791) was written ca. 1779 during the composer�s time at the Salzburg Cathedral. The third of three settings of the Marian antiphon Regina coeli (Queen of Heaven), it remains the best-known setting of the Latin Regina Caeli for Eastertide Mass. Written for four soloists, choir, and orchestra, it is a one movement work in which the soloists alternate with the full chorus. Instrumentation: 0.2.0.0: 0.2.0.0: Timp: Org, Str (4-4-0-3-3 in set): Solo SATB: Mx Chor.