The inaugural Navotas Music Festival is scheduled for September 26, 2026, bringing together OPM acts for a one-day event at the Navotas Convention Center in Navotas City. Multiple outlets report that the lineup is led by Cup of Joe and Maki as co-headliners. The full roster also includes alternative rock group Mayonnaise, P-Pop performer KAIA, and pop act Room Session. The festival is presented by the Philippine Chamber of Commerce and Industry (PCCI) through its Navotas Chapter, according to one report. Coverage describes the event as an OPM-focused concept gathering intended for music fans across the country. Sources present the artist lineup as a mix of well-known charting names and established performers, with the headlining acts supported by additional groups spanning rock and pop genres. No other major event details, such as specific ticketing information or additional schedules beyond the date and venue, are included in the provided excerpts.