Great tips, guys!! I was able to get my BSP mapped to the Circuit and all is good. I had been driving the Circuit from an Electribe and the notes matched up perfectly (so I took that for granted). However, I did go into the MMC and map the drum notes individually for the Circuit. I looked up the MIDI implementation on Novation's website and the notes for the Circuit are 60, 62, 64, 65.
Thanks again!!