The S.E.M. Ensemble has announced its 2025 Spring Concert. Soprano Kamala Sankaram serves as soprano soloist, along with composer, vocalist, and pianist Amina Claudine Myers. Petr Kotik, conducts the orchestra. Together they will present a program featuring Lejaren Hiller, Judith Berkson, Charles Ames, and Christian Wolff. Also on the program is Myers’ “Knowledge Of The Known And Unknown, “Mother E; {…}