Once in a LIVEtime is a live double album by progressive metal/rock band Dream Theater, and their second live release, which features 5 songs from the 1997 album Falling Into Infinity; was produced and recorded by Kevin Shirley during the European leg of the Touring into Infinity world tour at the Bataclan, France and released in 1998."Puppies on Acid" is actually the first instrumental section of "The Mirror" from Awake album.