Javier Asdrúbal Vinasco, a professor at Universidad EAFIT in Medellin, Colombia, performs the clarinet piece "Soliloquios No.3," which was composed by Roque Cordero in 1976. His performance was part of a concert Thursday night to honor Roque Cordero, a composer whose "Book of Solfegge" is used in music education through South and Central America and the Caribbean. Emily Eckelbarger