Leonid & Friends is a horn-driven ensemble that recreates classic jazz-rock, pop, and soft-rock arrangements with tight, big-band style performances. The group performs at the City National Grove of Anaheim, presenting faithful live interpretations of material associated with bands like Chicago, Steely Dan, and Blood, Sweat & Tears. They gained international recognition through viral video performances and extensive touring, often featuring virtuosic horn and rhythm sections alongside guest musicians.