Avi Kaplan is an American singer, songwriter, and vocal artist known for his deep, soulful voice and rich harmonies. He first gained recognition as the bass vocalist for the a cappella group Pentatonix, with whom he won multiple Grammy Awards. After leaving the group in 2017, Kaplan launched a solo career, focusing on folk and Americana music. His sound blends powerful vocals with introspective lyrics and organic instrumentation, drawing influence from traditional American roots music.