“Liquid Tension Experiment 2” is an instrumental progressive rock album released in 2021. It features members of the supergroup Liquid Tension Experiment, including John Petrucci, Jordan Rudess, and Mike Portnoy, along with bassist Tony Levin. The album showcases their improvisational skills and musical chemistry through extended tracks that blend complex rhythms and melodies. The album is a follow-up to their self-titled debut from 1998 and continues the tradition of spontaneous composition. It consists of several lengthy pieces that highlight the musicians' virtuosity and creativity, appealing to fans of progressive rock and instrumental music alike.