The Sound of Sinclair Basketball Pep Band is another one of the Ole Brook Bands’ athletic bands. Named after the James A. Sinclair Gymnasium, the Sound of Sinclair performs at the Panthers and Lady Panthers’ home varsity games.

Established during the 2025-2026 school year, the Sound of Sinclair features over 30 instrumentalists from Brookhaven High School.

The Sound of Sinclair is under the direction of James Green, Director of Bands, who is assisted by Nick Kleppinger.