Thanks for the feedback! I roughly added some previous and next links as you suggested. As for playing audio from a background tab, I believe browsers actually

Thanks for the feedback! I roughly added some previous and next links as you suggested. As for playing audio from a background tab, I believe browsers actually allow it, but for some reason, audio played though emscripten's APIs seems to stutter or stop when the tab is backgrounded. It might not be hard to fix, but I haven't really looked into it.