Reason Patch A Day Refill Contributions 2 Responses » Jun 022010 A review of Robb Neumann’s “Reason Patch A Day” Refill, with approximately 500 Patches for Propellerhead Reason. This is one refill you don’t want to miss. Basses, Pads, Effects, Combinators, Synths. It’s all in there. Take a listen for yourself.