Great resources already listed here! But I don’t think anyone mentioned the absurdly exponential growth of the Steemit @openmic by @luzcypher and @pfunk with support from @curie as well. What a great collection of musicians going on.
Although, we also are having a lot of spam issues—people downloading performances on YouTube and reposting as if it is their own, etc.
@juliank created an addictive @photocontests game that awards xp to give a growing upvote bot modifier for regular contributors and commenters on specific tags.