Which became the preferred tuning system during the Renaissance?

Which instrument typically accompanies the sitar?

a. erhu b. dondon c. tabla d. shakuhachi e. koto

Which composition uses colliding sound masses as a central element in musical composition rather than intervals, lines, or accompaniments?

A) "Mode de valeurs et d'intensités" B) "L'artisanat furieux" C) "Boplicity" D) Poème électronique