R
Ranges of orchestral instruments, [107].
Recitative, [33].
Registers—Child voice, [122], [123].
In adult voice, [136].
Rehearsal—How to save time in, [152-163].
Planning of, [154].
Discipline in, [155].
Rehearsal letters or numbers, [158].
Relation between conductor and accompanist, [147-151].
Relaxation in singing, [136].
Release—How to secure, [30].
Resonance, [134].
Rhythm, [70].
Rubato, [53].