Possible Clues:

• Juilliard student's major, perhaps
• Social occasion
• Fellow attending church's social function
• With a bun that's plenty for a ball
• Waltz, for example
• One who's desperate in front of church steps
• Moonwalk, e.g.
• A bun would be plenty with such entertainment
• Maybe disco gate's sealed off at ten
• The bump, for one