“Maki-Pasko” marks the band’s foray into writing a Yuletide-themed song—a concept they discussed for years but only decided to pursue after their initial meeting with Sony Music Entertainment.

The Day 2 lineup will have OPM bands Cup of Joe, Over October, and soloists Flow G, Dionela, and Maki. The nation’s girl group, BINI, will headline both days of the event, making them the first ...