You can make a Discord server by selecting the plus sign in the app's sidebar, and proceed to invite people, create channels, and more.
Discord has a lot of emojis that you can use to liven up a conversation, and you can also add your own if you like. Here's how.
For the occasional listener, Spotify's default app settings might work just fine. However, if you're streaming music every hour of every day, you probably want more control over how the app behaves.