CHICAGO (CBS) — If you’re looking for some cheap entertainment for dad this Father’s Day, there are scores of mini-concerts going on all over Chicago today.

People walking through the north end of Millennium Park late Sunday morning were treated to Sousapalooza, a play-along of John Phillip Sousa’s marches by members of the Navy Band Great Lakes and amateur musicians.

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They were directed by Concordia University Conductor Richard Fischer, who says the experience is like one big rehearsal concert and is all about making music from the heart.

The performance was one of roughly 200 today in 80 different locations in the city – at places like the Lincoln Park Zoo, the Chicago Cultural Center and the Riverwalk.

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It’s part of Make Music Chicago that is being held in conjunction with 700 other cities across the world.

Artistic Director Kuang-hao Huang says the event was started in France in 1982 as a way to celebrate music and began in Chicago five years ago.

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Huang not only helped organize the event – he even played the trombone with the Sousapalooza band.