Musical approaches to learning and therapy can be very valuable for verbal memory and language disorders. The first link below has some helpful learning ideas for improving communication, movement, basic academic skills, and daily routines. Because musical routes of memory and perception are different than language alone, music can be a way of bypassing language difficulties.
Coast Music Therapy Tips on using music for communication, math, literacy, and movement.
AUDIO MEMORY - You Never Forget What You Sing!