Respuesta :

A TTBB ensemble is a four-part men's chorus. T stands for tenor B stands for baritone or bass voice.

Answer:

Four-part men's chorus.

Explanation:

In a musical notation, from the initials TTBB, T stands for tenor and B for baritone, denoting an four men chorus. The actual configuration of this group is Tenor 1 and Tenor 2, Baritone 1 and Baritone 2.