Oso Oso is an American rock band from Long Beach, New York. Jade Lilitri (vocals, guitar), formerly of State Lines, is the only permanent member. The last name Lilitri is a pen name. The band has released three studio albums and two EPs. Their 2019 release, Basking in the Glow and their 2022 release, Sore Thumb were named "Best New Music" by online music magazine Pitchfork.