The Eastside Symphony and the Concert Opera of Seattle have announced their season opener, “Rigoletto,” 8 p.m., Saturday, Nov. 21, at the Redmond Performing Arts Center, 17272 NE 104th, Redmond.

Rigoletto will feature the collaboration of 11 singers.

For more information or to purchase tickets go to www.eastsidesymphony.org.

The Eastside Symphony features musicians from around the region, including Redmond, Bellevue, Issaquah, and Seattle.