Concertino:
- Violins: The violins are often the lead instrument in the concertino, playing the prominent melodies and solos.
- Violoncello: The violoncello (cello) provides harmonic support and sometimes plays solo passages.
- Harpsichord: The harpsichord is a keyboard instrument that was often used to continuo in baroque concerti grossi.
Ripieno:
- Violins: The violins in the ripieno provide a richer, fuller sound, supporting the concertino.
- Violas: Violas add a lower, mellower voice to the ripieno, providing depth to the ensemble.
- Cellos: The cellos provide the lower register and harmonic foundation for the ripieno.
- Double bass: The double bass is the lowest instrument in the ripieno, adding weight and depth to the ensemble's sound.
Additionally, other instruments, such as oboes, trumpets, and bassoons, could be included depending on the specific concerto grosso.