Grammy winner to perform May 9 in Portland Ashanti (Andy Kropa/Invision/AP) The Portland Fire announced that Grammy Award-winning artist Ashanti will perform at halftime of the team’s season opener on May 9 at Moda Center. American singer-songwriter and actress Justine Skye, known for her hit single “Collide” and for her role as Annika Longstreet on the television show “Grown-ish” will sing the national anthem. A defining pop-R&B force of the early 2000s, Ashanti serves as a