BWV 1050 Brandenburg Concerto No. 5 in G major

1) Bach wrote all six Brandenburg concertos:
c) at different times, for different combinations of instruments

2) The Brandenburg Concertos contain elements Bach learned from
a) from studying the works of Italian contemporaries and predecessors

3) The ripieno section in Brandenburg No. 5
d) contains only one violin part, along with other strings and continuo

4) The role of the harpsichord in Brandenburg No. 5 is
d) all of the above

5) The last portion of the first movement of Brandenburg No. 5
b) is a cadenza for the harpsichord