Yes, he's sitting. He was very ill with fever/flu. Usually when he performs this live he starts out sitting and then gets up part way through. You can see it when he performs it with Myles Kennedy (Alter Bridge) live in Houston: th-cam.com/video/H3By4DZyTNM/w-d-xo.html which hearing it as a duet does change it up with the harmonies.
Yes, he's sitting. He was very ill with fever/flu. Usually when he performs this live he starts out sitting and then gets up part way through. You can see it when he performs it with Myles Kennedy (Alter Bridge) live in Houston: th-cam.com/video/H3By4DZyTNM/w-d-xo.html which hearing it as a duet does change it up with the harmonies.
The +Myles Kennedy performance is worth another listen to Sound of Silence 👍🏻