Causa Sui is a Danish psychedelic rock band formed in 2005. Group members include Jakob Skøtt on drums, Jonas Munk on guitars, keyboards, and electronics, Rasmus Rasmussen on keyboards and electronics, and Jess Kahr on bass. Causa Sui released their self-titled debut album Causa Sui in 2005. Their sound featured heavy stoner rock supplemented with abstract, instrumental, and ambient styles. Notable releases include Free Ride (2007), Euporie Tide (2013), and Szabodelico (2020). The band's 'Sessions' series, such as Summer Sessions and Pewt'r Sessions, included guest musicians and showcased their diverse influences. Despite infrequent live performances, Causa Sui released live albums, including Live at Freak Valley (2014) and Live in Copenhagen (2017). They followed up with studio releases From the Source (2024) and In Flux (2025).
