Possible Clues:

• Caught song reverberating around garden party in restaurant
• Food fight site
• Vehicle outside festival gets one to a place of refreshment
• Key celebration in song for the consumers
• Self-service eatery
• Informal eatery
• Students' lunchroom
• School section where kids are be-trayed?
• Restaurant and clubs on celebratory occasion in tune
• Where one scoffs about fund raiser, feeling upset