Wolfgang Amadeus Mozart: Sancta Maria Mater Dei K.273: Cello & Double Bass:

Violoncello and Contrabass-Mozart's Sancta Maria Mater Dei K.273 scored for mixed choir (SATB) Strings and Organ. Written in Salzburg in September 1777 it was most likely composed as an offertory motet for the Feast of the Blessed Virgin Mary on the 12th September.