At 20 years old, local singer-songwriter Maddie Indre has seen her star rise this year after the release of her full-length debut, “ Serenity ,” in February. The artist performs as Indre and caught the attention of more than 1,000 attendees at 330 Day , an acoustic music showcase spotlighting 33 Northeast Ohio musicians, this past March. “I got the call the day before ‘ cause somebody couldn’t mak e it, and they needed a fill in,” Indre said. “ That performance was crazy because it was the