When we experience art, we feel connected to something larger.
If you've been watching The Vietnam War, now imagine watching it in a theatre, with other people around you. The fact is, streaming media makes it so easy to veg out, alone, on our respective couches. But science suggests that when we experience art with others we get a lot more from it. We are social animals first. The experience of being an audience changes what we get from a performance. And, as any performer will tell you, the audience changes the performance.
Article: This is Your Brain on Art