In one sentence, describe what the following article is about:

Enter your username and password. Create an account if you don't have one. Or click the placeholder image if you haven’t uploaded a profile picture yet. This should be in the upper-right hand corner.  ” Twitter and ReverbNation will now be synced up!

Summary:
Log into your ReverbNation artist profile. Click on your profile image. Click the “Social Sync” option. Click “Authorize App.