Strange Deja Vu was the first song I even tried working out on Scenes from a memory, definitely one of the easier songs on that album to play. 6:00 is also manageable (I played the entire piece on an audition cd a few years ago, including the bass and keyboard unison line. It was still a pain to learn and memorise though), but you can always edit and re-arrange any pieces you want to make them easier. I conduct (if you can call it that, lol) an electric guitar ensemble at one of the schools I teach at and have to do this so that we can play as many songs as possible in the little time we have to rehearse, not to mention the different skill levels of the students. For example, the main riffs of 6:00 were pretty easy for me but it was when some of the segues/transitions came up that I found some difficulty. If I was doing this song with a band and wanted to get it down asap (and also depending on the skills of the other musicians and how we work together as a group) I would have to think about simplifying the arrangement. One of the pieces that my electric guitar ensemble is playing is Welcome to the Jungle ... we're basically just doing the verse and chorus riffs and leaving out the whole mid-section for a while, lol.