APT. by ROSÉ & Bruno Mars · USC Trojan Marching Band at High School Band Day

The USC Trojan Marching Band, USC Song Leaders, and USC Spirit Leaders are joined by high school bands from across Southern California for "APT." by ROSÉ & Bruno Mars on Saturday, September 6, 2025.

Participating groups are the Bassett, Belmont, Bishop Montgomery, Burbank, Dana Hills, Desert Mirage, El Segundo, Gardena
, George Washington Preparatory,
Glendora, Golden Valley, Hueneme, Joseph A. Gregori, Palos Verdes
, San Fernando, Santa Barbara,
Sierra Vista, South El Monte,
Workman, and Yorba Linda high school bands and the Magnolia Junior High School Band.

Video edited by Christian Ng
Thumbnail photo by Henry Kofman