You can swipe right and left too!
Do it on the dedicated grey bar.

"Whether it's a good thing or not, we've certainly started using more colors. It's impossible to please everyone, and it took us a while to understand that. It's just the freedom to say 'It can't please everyone. We're in it right now, so let's just do it.' And that i… more
Track 07 - Viva la Vida