The Scarlet-browed Tanager is known for its high-pitched and melodious song. It consists of a series of clear, whistled notes that are often repeated in a rapid and lively manner. The song is typically described as sweet and musical, with a cheerful and upbeat quality. The tanager may also produce various calls, including chirps, trills, and chattering sounds. Overall, the vocalizations of the Scarlet-browed Tanager are a delightful and distinctive feature of its presence in the forest.