Who sang the Toreador Song?

The song you're referring to, the Toreador Song, is from the third act of the opera "Carmen" by Georges Bizet. It is sung by the male character Escamillo, a toreador or bullfighter. In the opera, Escamillo is a charismatic and confident bullfighter who attracts Carmen's attention. The song is an expression of his passion and confidence in the ring, where he declares his prowess as a toreador and sings of his love for the thrill of the bullfight.