Syncing MIDI devices with Sonar 8 PE

Hi guys,
 
I have a Korg electribe sampler, a Yamaha RM1X sequencer, a Boss DR880 drum machine and a Roland Gaia synth, and I have them all connected to my PC via a MOTU Midi Express 128 interface. I have all my midi ins/outs configured in Sonar 8 PE and I can play and record midi from each device no problem. However, I would like to sync the devices in such a way that the RM1X is a master sending a midi clock to Sonar and to each of the other devices, so when I hit play on the RM1X everything starts playing at the same time. Is this possible and, if so, could somebody please explain how I would go about it?
 
Thanking you all in advance,
Steeps.