Choral Connections Level 3 Mixed Voices - Teacher's Wraparound Edition Author:Mollie G. Tower, Milton Pullen, Ken Steele, Gloria J. Stephens Choral Connections is a four-level series designed to build music literacy and promote vocal development for students ... in grades 6-12. Choral Connections presents beginning, intermediate, and advanced-level literature for various voice groupings: mixed, treble, and tenor-bass.