A

A cappella singing, [162].
Accompanist—Relation to conductor, [147].
Choosing of, [147].
Treatment of, [148].
Accompanying, organ, [150].
Adolescent boy, [124], [125].
Alto, male, [119].
Altschuler, quoted, [61].
Anglican chant—Baton movements for, [33].
Attack—How to secure it, [30].
In reading new music, [32].