Question

1. choose the best answer.

the abbreviation ___ means the selected notes should be played an octave below where they are written.
options: 8vb, 8va, 8av, 8ba

Explanation:

In music notation, the abbreviation "8va b" (or "8ba" - likely a typo or variant for "8va basso" meaning an octave below) indicates playing the notes an octave below their written pitch. Among the options, "8ba" corresponds to this meaning (the other options like 8vb might be octave below but the phrasing here and standard notation context: "8va" with a direction; "8ba" is a notation for octave below. So the correct option is the one with 8ba.

Answer:

A. 8ba