Complex sentence: She also claims to possess a unique perspective of the world, in that it "doesn't always present barriers", as demonstrated in "Soul Music" when she walks through a wall simply because she does not know it is there.
Split into simpler sentences: She also claims to possess a unique perspective of the world, in that it "doesn't always present barriers". This is demonstrated in "Soul Music", when she walks through a wall simply because she does not know it is there.