A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z

Qanoun: This is a plectra plucked Psaltery having up to 100 strings. The back sounding board was held to the players chest as the hands wrapped around to pluck its strings. Today the qanoun and other members of the Psaltery family are placed across the players knees or on a small table.

Quartal Harmony: Harmony based on the interval of a perfect fourth, rather than on thirds.

Quartfagott: This bassoon is pitched a fourth below or above the normal bassoon.

Quarter note/rest: A note/rest one half the length of a half note and one quarter the length of a whole note.

Quartet: A piece for four instruments or voices. Four performers.

Quasi:  (Ita) Almost. Used with other terms, e.g. quasi madrigal, almost or as if a madrigal.

Quinfagott: This bassoon is pitched a fifth below or above the normal bassoon.

Quintal Harmony: Harmony based on the interval of a fifth, rather than thirds.

Quintet: A piece for five instruments or voices. Five performers.