Pete Townshend, "Pinball Wizard" on Letterman, June 17, 1993 (stereo)
You Tuber Sandspock33 surreptitiously captured the World's Most Dangerous Band's music breaks plus Pete's performance and uploaded them here:
https://www.youtube.com/watch?v=j_PDhKJ4PdM&spfreload=10
https://www.youtube.com/watch?v=rD7G6aN4tPE
Here is the broadcast version of Pete's "Pinball Wizard" plus his sit-down with Dave, in full and in glorious stereo.