Left Undecided is a metalcore band from the United Kingdom, formed in 2018. The band consists of vocalist Sam King, guitarists Matt Clarke and Tom Smith, bassist Jack Smith, and drummer Josh Smith. They have released two EPs, "Unworthy" and "Metanoia," and two singles, "Re:Connect" and "Sew It Shut." Left Undecided's music is characterized by its heavy riffs, soaring vocals, and introspective lyrics. They have been praised for their energetic live performances and their ability to connect with their audience.