This year’s Richard Tucker Music Foundation’s annual gala concert at Carnegie Hall, though marginally less starry than last year’s, promises 2017 Tucker Award winner, soprano Nadine Sierra, joined by Ailyn Pérez, Tamara Wilson, Stephanie Blythe, Tara Erraught, Ekaterina Semenchuk, Javier Camarena, Vittorio Grigolo and Sir Bryn Terfel.