Liquid Tension Experiment (LTE) was an instrumental progressive rock/metal supergroup, founded by Dream Theater's former drummer Mike Portnoy in 1997. The band has released two albums through Magna Carta Records. A third album, with the absence of John Petrucci, along with a fourth album, with the absence of Jordan Rudess (mostly), were released in 2007 & 2009 respectively, both under the name "Liquid Trio Experiment".

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