Which timbresare heard in the solo sections for the finale of Bach's Brandenburg Concerto no. 2?

________ are made from gourds, sewn hides, or baskets with seeds or pebbles inside

Fill in the blank(s) with the appropriate word(s).

All of the following were Chicago blues musicians except

A. Howlin' Wolf B. John Lee Hooker C. Sonny Boy Williamson D. Ma Rainey