Pick your voice type or your own lowest and highest notes and an exercise. The piano plays it, leaves you the same time to sing it back, then moves up a semitone — and comes back down when the top of the exercise reaches the top of your range.
The four kinds are the ones singers most often reported in a survey of warm-up habits (Gish et al., Journal of Voice, 2012): ascending and descending five-note scales, octave scales, legato arpeggios and glides. The scales follow the major scale and the arpeggio the major chord. For the glide the piano plays only the two ends — slide smoothly between them on a vowel or a lip trill.
The voice-type presets use the ranges of the Vocal Range Test, after McKinney (1994) and Boldrey (1994), and stay a whole tone inside each end so the warm-up does not push your extremes. If you know your own range, set the lowest and highest notes yourself — the test measures them with your microphone.
How long should I warm up?
The tool does not prescribe one. Start gently, at a comfortable tempo, and stop when your
voice feels ready — never when it feels tired.
Does it listen to me?
No — it only plays. To check your pitch against the microphone, use the
Sight-Singing Trainer.
Why does it say the exercise does not fit?
An octave scale needs at least an octave between your lowest and highest notes. If the range
is narrower, choose the five-note scale or widen the range.