On these pages you can listen to the audio files accompanying the book Vocal Arranging:
Introduction
Chapter 1   Scales
Chapter 2   Intervals
Chapter 3   Major and Minor
Chapter 4   Alternating Voice Groups
Chapter 5   Clapping Rhythms
Chapter 6   From Unison to Harmonies
Chapter 7   Shifting Chords
Chapter 8   Arpeggios
Chapter 9   Jazz and Pop