Various links to contacts of Voices, the City of Derby Girls Choir and Derby City Singers (formerly part of Derby’s ‘VoiceBox’): – for information about Voices Choir – website for Voices Musical Director, Dan Miller  – online music education community – designers of VoiceBox website – Association of Teachers of Singing – Association of British Choral Directors – information about vocal health and care – Derby’s family-run music shop, on Irongate, Derby