I don't understand either, because you're not using 5B to full extent. If you only want to use 50% squares and nothing else that 5B provides, you should have used MMC5 like Xyz said.
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Ponies, Mega Man, Meshuggah, Rotten Sound and ice-cream! <3 YOUTUBE
If you were originally, it was going to use the envelope to one channel of Sunsoft 5B, but was rejected because there was a bugs, such as not sound, even if you specify the envelope...
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And is now aiming for the completion of all of the DPCM instruments.
