Meet the Extravoice by Porter Heaps

Meet the Extravoice
Porter Heaps 
Evanston, Il: Keyboard Publications
Copyright 1959
31 pages

The plastic comb has two breaks along the back but all the pages are secure. The pages are clean but tanned. The rear cover and some of the preceding pages are corner creased. The cover is toned and stained. Acceptable. Softcover.

A complete explanation of the new Extravoice by Hammond with musical illustrations, registrations and chord symbols