Flavio Cianciarulo | Flavio Briatore | Marco Venturini | Flavio Caballero | Flavio Alves | Flavio Insinna | Flavio | Bob Venturini | Flavio Sosa | Flavio Soriga | Flavio Gioja | Flávio Conceição | Flavio Cipolla | Flavio Chamis | Flavio Bucci | Flavio Boltro | Antônio Flávio |
In addition to composing and performing his own work, Horta has worked for many years as and arranger or sideman for many important Brazilian artists, such as Elis Regina, Milton Nascimento, Maria Bethania, João Bosco, Airto Moreira, Edu Lobo, Nana Caymmi, Flora Purim, Gal Costa, Sérgio Mendes, Chico Buarque, Flávio Venturini, Joyce, Johnny Alf, Wagner Tiso, Francis Hime and Beto Guedes.