spearstuff on Reddit made a huge Youtube playlist (125+ elements) of fanmade, vocal songs. I haven't had time to listen to it yet, but I'm confident some nice things are in here.
Here's the link:
https://www.youtube.com/playlist?list=PLAg_-NsALZoPMLMOAqzP5b1QiM9xKIsCD&feature=mh_lolz