PHILADELPHIA (CBS) – A Canadian eco-activist and musician comes to Philadelphia Saturday night for a concert that’s doubly unusual.

First off, it’s free, as pianist Frank Horvat brings his Green Keys Tour to Jacobs Music on Chestnut Street near 17th on Saturday at 7 p.m. Secondly, Horvat says a good part of the show is played in the dark.

“The artistic reason why I do that is I composed a piece called Earth Hour, an hour-long continuous piece of piano music which was inspired by playing music in the dark,” he said. “It’s something that I composed in the dark.”

Horvat and the show are heavy into the eco sort of green, but he says the darkness is to eliminate distractions and allow you to think about the music, the environment, or whatever — it’s not a recommendation to toss all your lightbulbs. In fact, Horvat says he’s a big fan of technology as a way for us to have our cake and light it too.

Reported by John Ostapkovich, KYW Newsradio

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