Paul Weagraff interviews Kate Ransom and Jennifer Nicole Campbell about their upcoming “Serafin & Friends” concert, kicking off the Arts at Trinity music series in Wilmington. Kate is the artistic director and violinist for the Serafin Ensemble, and Jennifer is an award-winning pianist and composer who, along with violinist Amos Fayette, will present a family-friendly concert featuring compositions by Beethoven, Gade, Lipinski, and a world premiere by David Auldon Brown.