NewBee

the maplebeats staff go through all the submissions made and they also generate the previews for the songs and create the downloads for them as well, also as it currently stands mml is the more accessible/readable format of the two since ms2 is currently the only program which uses the ms2mml file format, there are also a few programs out there which can convert mml to ms2mml, and vice versa, such as New Bee's github project which was only released recently.
 
New Bee's Converter: https://mohan-cao.github.io/3MLE2MS2/

is this 10k close enough?
 
Reach for the Moon, Immortal Smoke.ms2mml

Hmm, I have a 10k+ sheet and 5k sheet respectively, but obviously the 10k one sounds a lot better. PM me if you still have interest I guess.