Wilmington Concert Opera is set to present “Bel Canto: The Beautiful Voice” this May. The performance will feature tenor Clifford Bechtel, mezzo-soprano Paula Rivera-Dantagnan soprano Kirsten C. Kunkle, soprano Elizabeth Oliver, soprano Marisa Robinson, soprano Suzannah Waddington, mezzo-soprano Rebecca Sacks, tenor Brenten Megee, baritones John David Miles and Kevin Patrick, and pianist and music director Timothy Crawford. On the program {…}