Antares ChoirVocal Multiplier Choir is a unique vocal processor that turns a single monophonic voice into a lush choir of 4, 8, 16, or 32 distinct individual unison voices, each with its own pitch, timing, and vibrato variations. Produce dramatic and authentic sounding choral voices with Choir. Turn a single monophonic voice into a lush choir of 4, 8, 16, or 32 distinct individual unison voices, each with its own pitch, timing, and vibrato variations. Select the