What is the term for the set of musical expectations each individual engages

In what general area of Africa do the Mande live? (See if you can locate the Gambia, where “Lambango” was recorded, on the map in Worlds of Music, page 99). Why is this area referred to as a “Cultural Crossroads”?

What will be an ideal response?

The string accompaniment in the background is played

a. col legno b. pizzicato c. spiccato d. with tremolos