American bluegrass musician known for his collaboration with country singer and songwriter Luke Combs, the 2021 single "The Great Divide." He released his first solo album, Turmoil, and Tinfoil, in 2017. He won a Grammy Award for his sophomore album, Home. 

Before Fame

Although he's known as a bluegrass musician, he spent his teens playing in rock bands. 

Trivia

He has won numerous International Bluegrass Music Awards. He posts photos of his live performances on his billystrings Instagram account, where he has gained upwards of 500,000 followers. 

Family Life

His birth name is William Lee Apostol. His stepfather, Terry Barber, is a bluegrass musician and had a significant influence on his musical development.

Associated With

He was influenced by Doc Watson, Earl Scruggs, Jimi Hendrix, and Johnny Winter, among others.