Pianist Ratimir Martinovic and bass clarinetist Jeff Reilly will be featured guest artists at Sinfonia Toronto's next Masterpiece Series concert. Music Director Nurhan Aman will conduct a program titled "Gems, Old and New" featuring two premieres by Hatzis and Teehan.

Pianist Ratimir Martinovic will perform Schumann's Piano Quintet while bass clarinetist Jeff Reilly will be featured on the world premiere of the Hatzis Bass-clarinet Concerto. Other works on the program include Beethoven's Quartet in C Minor and the Toronto premiere of Zephyr by Canadian composer Rob Teehan, Sinfonia Toronto's 2011-2012 Composer-in-Residence.