I would agree with REANI14, I really like the St.Louis version which ofcourse had great energy to it, but I think they have better use of timing and emphasis on different sections of 2112 on DS... plus I like listening to Discovery in 2112, which of course they did not perform during the PW tour (St. Louis Concert). All in all, I love 2112 in both concerts, but I think 2112 in DS might be just a little better if only in subtle timing and emphasis in the drums, vocals, and some of the leads (particularly in Soliloquy.