Voices in Harmony: Youth Choir Leadership, Education, and Artistry, By Robyn Lana. Creating successful youth and children's ensembles requires a multitude of skills. In this publication, nationally recognized clinician and Founding Artistic Director of the Cincinnati Children's Choir, Robyn Lana, shares valuable insight and advice along with practical tips from well-known experts in the field. With topics including rehearsal techniques, recruitment and retention,comprehensive musicianship