On May 10 of this year, the Slavic Chorale will hold a major concert. Choral singing is something enchanting, created above all using a unique instrument — the human voice. We spoke with the founder and conductor of Slavic Chorale, Pavel Kravchuk, about the upcoming event — as well as how to build a group that inspires; what happens behind the scenes of a big concert; where modern choral art is headed — and more.