CO2

#2 Japanese band

Katayama Hiroaki : sax tenor

Eiichi Hayashi : sax alto

Takayuki Kato : guitar

Takeharu Hayakawa : bass

Yasuhiro Yoshigaki : drums

#3 Power pop band formed in 1996 in Champaign IL USA and still going

Andre Kuzniarek : vocals, guitars, keyboards

Kaleb Barkley : percussion

Jay Hawkins : bass guitar

John Hawkins : drums

#4 Rap collective

Formed in 2022, CO2 is a fast growing hip hop group that make tracks ranging from cloud rap, rage, and experimental. There are 10 members as of October 2022 as they are set to release their debut album.

#4 Bubblegum bass artist

Co2 (or co222 on souncloud) is hyperpop / Bubblegum bass producer signed to Carbonology, making music since 2022 and still active.