This broadcast features music of the 20th Century Polish master Grazyna Bacewicz, the Rumanian George Ensecu, the 19th Century virtuoso Joseph Joachim and the world premiere of a recently found concerto for violin by one of the masters of that instrument at the turn of the 20th century, Eugène Ysaye with Nikita Boriso-Glebsky as soloist. Listen Monday at 8 pm, with an encore broadcast Saturday at 2 pm.