Leonid & Friends is a Kyiv-based ensemble that recreates the horn-driven sound of classic jazz-rock and soft-rock, presenting faithful, arrangement-heavy performances of material associated with bands like Chicago and similar repertoire. They tour internationally and bring that big‑band, horn-led concert experience to stages such as the Murat Theatre at the Old National Centre in Indianapolis. The show emphasizes tight musicianship and detailed reproductions of 1970s–80s rock and jazz-pop classics, making it notable for fans of vintage, orchestral rock arrangements.