Trilogy with Keith Emerson’s Modular Moog Date February 11, 2012 Category Emerson, Lake & Palmer, Keith Emerson's Modular Moog Album Trilogy On February 11, 2012 Rachel was privileged to play Keith Emerson’s Modular Moog. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)