Complex sentence: The video features the band underground of an old building where Sunshine the Dog is (who is on the cover for Tripod), the old man from the video for "Enter Sandman" by "Metallica" is also featured in the video.
Split into simpler sentences: The video features the band underground of an old building where Sunshine the Dog is. The old man from the video for "Enter Sandman" by Metallica is also featured in the video.