Around the world, Matthew Koma is best known for his string of EDM hits, including the Grammy-winning “Clarity” that he co-wrote with Zedd.

Around Long Island, the Seaford native is still best known as a singer-songwriter, both as a solo artist and in various bands.

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The acoustic version of his new single, “Suitcase” (RCA), shows how potent Koma can be with just a guitar, as he poignantly sings about moving on from a relationship.

He has posted acoustic versions of his EDM hits on YouTube for years, as well as songs he has written for others, like “Someone,” recorded by Kelly Clarkson.

However, “Suitcase” may mark a new direction for Koma, who is readying his debut album for RCA. The acoustic “Suitcase” will be followed with an acoustic show at Piano’s on Sept. 13 and 14, rare unplugged appearances on the East Coast, where he usually DJs and performs at massive dance clubs.

The appearance comes only a couple weeks before the release of Shania Twain’s comeback album “Now,” which features several tracks that Koma produced, including the first single “Life’s About to Get Good” — a sentiment that could apply to Koma as well.

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Koma plays Piano’s, 158 Ludlow St., Manhattan, on Sept. 13 and 14. Tickets are $20 through TicketWeb.