Mainly classical and ragtime. Also classic rock, jazz, blues, country, and also some praise & worship.
I'm also an opera composer.
Books
Mozart: A Life, by Maynard Solomon; King of Ragtime (Scott Joplin), by Edward Berlin; Memoirs (Georg Solti - autobio); Orchestration Encyclopedia, by Walter Piston; Harvard Dictionary of Music, by Willi Apel.