Editing Liquid Tension Experiment (section)

===Interim period===
On July 19, 2012, at Dream Theater's second show on Huntington NY, Tony Levin joined Petrucci, Rudess and [[Mike Mangini]] (Dream Theater's drummer at the time) onstage to perform "Paradigm Shift."<ref>{{cite AV media|url=https://www.youtube.com/watch?v=undV7qWiBGc |archive-url=https://ghostarchive.org/varchive/youtube/20211211/undV7qWiBGc| archive-date=2021-12-11 |url-status=live|title=Dream Theater: Paradigm Shift 19.07.2012 Huntington|date=July 20, 2012|work=YouTube|access-date=May 9, 2015}}{{cbignore}}</ref>

Later in 2012, Portnoy performed "Acid Rain" live with PSMS, his band with [[Derek Sherinian]], [[Tony MacAlpine]] and [[Billy Sheehan]].<ref>{{cite AV media|url=https://www.youtube.com/watch?v=caFYWlpKBb8&feature=player_embedded|url-status=dead|title=YouTube|access-date=May 9, 2015|archive-date=November 22, 2015|archive-url=https://web.archive.org/web/20151122192127/https://www.youtube.com/watch?v=caFYWlpKBb8&feature=player_embedded}}</ref>  They recorded a live DVD in Tokyo including the song.<ref>{{cite web|url=http://www.blabbermouth.net/news.aspx?mode=Article&newsitemID=186015|title=Portnoy, Sheehan, Macalpine, Sherinian: 'Live In Tokyo' Cd+Dvd Due In March - Blabbermouth.net|work=BLABBERMOUTH.NET|access-date=May 9, 2015}}</ref>

On February 10, 2017, [[Mike Portnoy]] and [[Tony Levin]] reunited on stage in [[Tampa, FL]] to perform Paradigm Shift, Acid Rain and Universal Mind. They were accompanied by members of progressive metal group [[Haken (band)|Haken]].<ref>{{cite AV media|url=http://loudwire.com/mike-portnoy-dream-theater-12-step-suite-live-cruise-to-the-edge/|title=Mike Portnoy Performs Dream Theater's '12 Step Suite' Live on Cruise to the Edge 2017|date=February 13, 2017|access-date=February 16, 2017}}</ref>

In April 2019, both [[John Petrucci]] and [[Jordan Rudess]] announced that a new Liquid Tension Experiment reunion is possible, once all involved musicians find time for that.<ref>{{cite AV media|url=http://www.ultimate-guitar.com/news/general_music_news/jordan_rudess_on_liquid_tension_experiment_reunion_we_all_kind_of_agree_that_it_would_be_cool.html|title=Jordan Rudess on Liquid Tension Experiment Reunion: 'We All Kind of Agree That It Would Be Cool'|date=April 21, 2019|access-date=April 22, 2019}}</ref>

In May 2020, [[Jordan Rudess]] posted a video to the website [[Cameo (website)|Cameo]] stating, in response to a fan's question, that the prospect of Liquid Tension Experiment reuniting "looks very good", with the only barrier being the band members' schedules.<ref>{{cite web |title=JORDAN RUDESS Says 'It Looks Very Good' That LIQUID TENSION EXPERIMENT Will Regroup |url=https://www.blabbermouth.net/news/jordan-rudess-says-it-looks-very-good-that-liquid-tension-experiment-will-regroup/ |website=Blabbermouth.net |date=May 30, 2020}}</ref>