For licensing and inquireis you might try his publisher or ask someone at BMI.
Little Maestro Music
C/O CHERRY RIVER MUSIC CO
6 EAST 32ND ST 11TH FLOOR
NEW YORK, NY 10016
Their fax: (212) 447-6885
His agent's office:
Danny Elfman c/o
Kraft-Engel Management
15233 Ventura Blvd., Suite 200
Sherman Oaks, California 91403, U.S.A.
Contact 
