When boys’ voices change from a childhood treble to a lower adult voice it is important to treat the voice particularly carefully. Pushing it too hard may cause permanent damage. Changing Voices contains a collection ofsongs to help the young singer through this period.
| Instrument (fx guitar, sang m.m.) | Klaver Akkompagnement, Sang |
| Type (fx Instrumentskole o.lign.) | Partitur |
| Media (fx Bog, CD, DVD m.m.) | Noder |
| Publisher/Producent | Edition Peters |
| ISMN | 9790577004723 |