It's that time of year when Music Under New York auditions musicians to join the program. The application process is simple. Here's a link for the application form found on the MTA website.
All applications info:
Please send your Audition Application and a CD or DVD (no tapes or videos accepted) by regular mail to the address below postmarked by March 20th. Do not drop off your package.
MTA/ MUSIC UNDER NEW YORK 341 Madison Avenue, 5th Fl. New York, NY 10017
The auditions are held in Grand Central Terminal in May and are only held once a year. If you've ever wanted to give it a try now is the time.
Good luck.
You can always find more info about busking in NYC in my section above entitled For Buskers