By JASMINA WELLINGHOFF, Editor How do you define the Chanticleer Ensemble?Chanticleer is one of only two full-time, professional vocal ensembles in the United States. We were founded by a San Antonio native, Louis Botto, in 1978. We started as an early music ensemble, singing music from the Renaissance with countertenor, tenor, baritone and bass voices. However, the ensemble quickly expanded …