SKY MOVES SIDEWAYSPorcupine Tree includes: Steven Wilson (vocals, various instruments). Though Porcupine Tree's permanent lineup was in place by the time Sky Moves Sideways was complete, it was actually a combination of old and new, with a number of tracks once again done by Wilson on his own. Regardless of the provenance of one song or another, though, it was another fine release under the Porcupine Tree name, continuing the excellence of Up the Downstair while