Make sure you don't miss the sequel to content that you appreciate.
First simply login to Collaboarator using your Spotify, Facebook, or Google Account.
When you reach your profile, click on the 2nd tab from the left to load tracks around you. Find an artist you want to follow and click on his/her profile picture, which will redirect you to their profile.
In the large profile picture area there will be a blue button that says "Follow User." Click this to follow the user's future post. The button will turn orange with a checkmark to confirm you are following them.
When you reach your profile, click on the 2nd tab from the left to load tracks around you. Find a tag (black labels at the bottom of posts) you want to follow and click on the tag. It will turn orange to confirm you are following the tag.
Click on the leftmost tab. Here posts of users and tag you follow will show up. Congrats!