I contribute fairly regularly through the creation of music. Oh how I do love to jam. Music has always been my natural outlet so My Little Pony's once vigorous musical community was a natural attraction. I say "once" because things have tapered off considerably over the past year or so. Of course, this is only natural, like the decay of a note played on a piano.
Still, It's hard to harness the same sort of energy we had back in the early days in 2011 when everything was positively new and exciting. When The Lunar Empire was everyone's jam and Winter Wrap Up remixes were a rare and precious commodity of the fandom at large. Even with that said, there's a lot of new, younger talents emerging these days. The only pity is that there seems to be fewer ears to listen to them, now.