I keep trying to listen to Starless, its starts off great and then goes off somewhere for 4-5 minutes before returning to the original theme.I know.. that prog for you.. but its the 4-5 mins that doesnt really do it for me. At least part of it I like...

The Musical Box... what a masterpiece... I have listened countless times to this piece of music that simply takes you back in time to somewhere else... the closest I have heard to this in modern times is Stephen Wilsons', The Watchmaker.