The 46th iteration of this Cleveland Orchestra concert honoring Dr. Martin Luther King, Jr. takes place tonight at 7 at Mandel Concert Hall. More than 100 orchestra musicians and about 150 singers will be on hand for the celebration. The concert is free, but tickets are required. will be available to watch live for free on Adella.Live, the digital home of The Cleveland Orchestra, and YouTube.com/ClevelandOrchestra. The concert will also be broadcast live on WCLV 90.3 and WKSU 89.7, and live, simultaneous streaming will be available on ideastream.org, smart speakers, and the Ideastream Public Media app.