[7] He was also heavily influenced by Alanis Morissette's Jagged Little Pill and the first album he ever purchased was Michael Jackson's Dangerous.
[8] In 2004, Jo formed a three-member punk rock band called Castel Prayon while living in New York City.
In 2006, Jo returned to South Korea and began making music as a one-man band under the name, The Black Skirts.
In 2010, Jo gained notoriety in the Korean indie rock scene upon releasing 201, his first album as The Black Skirts Produced by Kia Eshghi.
Two years later, Jo released an English-language EP titled Good Luck To You, Girl Scout!.