The Ultimate Vocal Group Harmony Reference Guide, Volume 2: First Edition - Holran, Dennis: 9781419690488 - AbeBooks
The Ultimate Vocal Group Harmony Reference Guide, Volume 2: First Edition - Holran, Dennis: 9781419690488 - AbeBooks,THE VOCAL GROUP HARMONY WEB SITE,The Group Harmony Alley with Christine Vitale,Harmony Vocals The Essential Guide Private Lessons Series Book/Online Audio,Amazon.com: AlphaTheta euphonia Professional 4-Channel Rotary Mixer,