The Serenade No. 4 in D major, K. 203/189ba was written in August 1774 by Wolfgang Amadeus Mozart for ceremonies at the University of Salzburg. It is nicknamed Colloredo after Mozart's patron, Count Hieronymus von Colloredo. The work is very similar to K. 204 serenade composed for Salzburg the following summer.

Date of composition 1774
Type Serenade
Tonality D Major
Catalogue KV 203/189ba
Instruments Violin
Orchestra
Autotranslations beta Wolfgang Amadeus Mozart: Sérénade n°4 en ré majeur, KV 203/189ba "Serenade No.4 ; Colloredo Serenade"
Wolfgang Amadeus Mozart: Serenata n. 4 in re maggiore, KV 203/189ba "Serenade No.4 ; Colloredo Serenade"
Wolfgang Amadeus Mozart: Serenade Nr. 4 D-dur, KV 203/189ba "Serenade No.4 ; Colloredo Serenade"