Here are a some books you might wish to to get:
    
        - Best Remaining Seats  by Ben M. Hall
- Ben was a good friend and the founder of the
Theater Historical Society.
 
- Town Hall Tonight  by Harlowe R Hoyt
- Intimate memories of the grass roots 
days of the American theater.
 
- Silent Film Sound  by Rick Altman
 
- King of the Movies by Joseph P. Eckhardt
- Film Pioneer Sigmund Lubin   
        Fabulous history of the Lubin Co.
 
- Tunes for Toons  by Daniel Goldmark
 
- The Cartoon Music Book by Daniel Goldmark
 
- And for the stout of heart and those willing to wade into deep waters of 
        esoterica:
 
- Harmonies of Heaven and Earth: 
Mysticism in Music
by Joscelyn Godwin
- Godwin is Professor of music at Colgate University and
the author of numerous works on both music and esoteric 
traditions.  The prime question this book deals with is:
What lies beneath the surface of music and what gives it
its transcendent power?  This is a great book for musicians
as is his book The Mystery of the Seven Vowels.