“The Voice” contestant Jus Jon, shown here, will join host Jason Cale in presenting a Flat Iron Crossroads Master Class, “The Soul of Music,” at 11 a.m. Saturday at the performance venue on Flat Iron Road in Gloucester. The class will also be offered live on Pay-Pre-View. The two men will discuss a song, including its components, how it was constructed, and why the song is special. Jus Jon made it to the knockout round in the 19th season of “The Voice.” Tickets to both the limited admission on-site event and the virtual event are $30 plus a $3.35 fee. Virtual tickets are $15. For more information, visit flatironcrossroads.com.
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