Mark Rucker as Nabucco.By Greg StepanichIt takes a lot of big singing to fill up all the space in the static tableaux of Verdi’s Nabucco.And on Friday night at the Palm Beach Opera, most of that sonic filling was provided by two singers other than the principals: a sonorous bass as Zaccaria and a thrilling tenor as Ismaele.For its first production in 25 years of … [Read more...]