Level 1 Cannot sustain phonation. This speech sample demonstrates the inability to control pitch. Fluctuations or breaks appear to cover almost the full range of audible tone generation.

Your voice pitch may reveal more about your hormones than you think, offering insights into stress, fertility, and thyroid ...

Gareth Malone: Next the all important breathing exercises. Gareth Malone ... The activities he demonstrates are designed to help with voice and pitch. This clip is suitable for teaching music ...