What is a background lead?

Background Lead

(a) Consists of sentences describing an event in which the background over shadows the individuals who participate in it.

(b) Used often for stories about carnivals, dances, gym exhibitions, music festivals, and homecoming events.

EXAMPLE:

Maytime, fiesta time. And it's pahiyas time in the towns of Lucban, Sariaya and Tayabas in Quezon.