Book excerpt: Music for the performer in all of us brings together blockbuster popular, jazz, and movie hits with band and orchestral backgrounds available on CD. Here are NEW hot hits and performer and audience favorites pianistically arranged by Gail Lew and Chris Lobdell using effective chord substitutions to give a "big" professional sound. Titles: What a Wonderful World * The Imperial March * Singin' In the Rain * In Dreams * Inspector Gadget * Double Trouble * Believe * The Rose.