Livestreams of performances are often presented on the Twang! page
Also, quite often you can witness Twang! and/or Coincidence Machine performing (or rehearsing) on Twitch.
Typically Coincidence Machine performs @ 4:30pm Eastern Time on Tuesdays
Twang! plays solo @2:30pm Eastern Time on Saturndays
And often on Thursday mornings Twang! shares his practice of North Indian Classical music. Questions and comments are encouraged.