What references exist for music theory, songwriting, the music business, etc?
There are many sources of information on these topics. Here are a few you might find useful. Several are available on the Internet via the WWW. Davis, Sheila, THE CRAFT OF LYRIC WRITING, Writer’s Digest Books, 1985 Davis, Sheila, THE SONGWRITER’S IDEA BOOK, Writer’s Digest Books, 1992 Field, Shelley, CAREER OPPORTUNITIES IN THE MUSIC INDUSTRY, Facts on File Publications, 1990 Fields, Matthew H., ‘Gems of Compositional Wisdom’, available via the WWW at http://www.umich.edu/~fields/gems/0.htm Josefs, Jai, WRITING MUSIC FOR HIT SONGS, Writer’s Digest Books, 1989 Passman, Donald S., ALL YOU NEED TO KNOW ABOUT THE MUSIC BUSINESS, Simon & Schuster, 1994 Piston, Walter F., HARMONY, W. W. Norton, 1978 Sabatella, Marc, ‘A Jazz Improvisation Primer’ by Marc Sabatella’, available via the WWW at http://www.acns.nwu.edu/jazz/ms-primer/ There are also several magazines you can read, such as Performing Songwriter (which is geared towards folk music), and the Music Connection (which features songwrite