... A.A.G.O. Associate of the American Guild of Organists. Ab (Ger.). Off. In org. mus., applied to a stop no longer required. ABA. Term of analysis to describe form of a piece of mus., i.e. 1st ... epic prose poem of same name. Delius set 11 sections of poem in his Mass of Life. Alt. (1) High. The note g'' marks the beginning of the range of vocal notes spoken of as in alt, and ... application to a type of instr. mus. with a good deal of rhythmic freedom and often played on bagpipe (or rustic ob.) and small drum. Alborado del gracioso (Aubade of the Clown). 4th of Ravel's...