Quinteto Armorial is a Brazilian musical group that blends traditional Brazilian folk music with classical and jazz influences. Formed in 1970, the group is known for its innovative and eclectic sound, which has earned them a loyal following both in Brazil and abroad. Their music often incorporates elements of samba, choro, and baião, and they have collaborated with a wide range of artists, including Gilberto Gil, Caetano Veloso, and Hermeto Pascoal.