Concone Lutgen Sieber Vaccai-With over 150 vocalises this collection will be very useful for many teachers and students of singing. Includes CONCONE: Fifty Lessons for Voice Op. 9 • LÜTGEN: The Art of Vocal Velocity • SIEBER: 36 Eight-Measure Vocalisesfor Mezzo-Soprano Op. 93 • SIEBER: 36 Eight-Measure Vocalises for Baritone Op. 96 • VACCAI: Practical Method of Italian Singing