Harpsichord
________ has 5 roles- soloist, part of the basso, realising the figured bass, completing the harmony, conducting /directing the ensemble.
Concertino
________- solo instruments (flute, violin, harpsichord)
Bach
________ wrote 6 Brandenburg concertos for the Margrave of Brandenburg.
Basso continuo
________- continuous bass line in harpsichord + low strings.