Even MIDI rips are allowed, but probably you won't get a first place with that.
Deadline is Monday January 2nd 2016, 10:59 AM ThaSauce time (18:00 UTC, 19:00 GMT). Check the following site for the rules:
Note that there's more time. The Voting Stage will also be longer as usual (1 week).
PRC339 starts at the deadline of the remixing stage of this round (on Monday January 2nd) with a source selected by the winner of PRC337.
Check the Ocremix thread for more information (you can post questions there or post a download link of your song to enter if you don't want to use ThaSauce:
If anyone has problems with registering or uploading the song to ThaSauce, please upload the song somewhere else and post a download link in the Ocremix thread. I recommend Soundcloud, don't forget to allow downloads to enable me to upload the song at ThaSauce.
The winner of this round may select the source for PRC340 (not PRC339).
Start: on 1/1/17
Deadline: on 1/3/17
Voting: on 1/9/17