"The Big T.N.T. Show" (Theatre Network Television) and released for theatres by Ameican International Pictures in 1966, was done with TK-60's. You can see them in some shots. It was a rock and roll variety show with everyone who was big in the mid-60's was on it but is was a poor musical second to "The T.A.M.I. Show". As soon as I find my copy, I will try some grabs.
And earlier R&R show called "The T.A.M.I. Show" from 1964 by the same producer may have been done with TK-60's. I am not sure if the T.N.T. show used the same format. T.A.M.I. used an early HD format using jeeped up cameras recorded to 35mm film using a format called "Electronovision". I suspect the TK-60's were there for both. There is a hint at Wikipedia;
"one of the first high-definition video cameras that captured somewhere between 1000-1100 lines at 25fps. Then, via kinescope recording, it was converted to film with sufficient enhanced resolution to allow big-screen enlargement." Full article here;
http://en.wikipedia.org/wiki/T.A.M.I._Show
I could find no complete description of "Electonovision" save for an interview with the T.A.M.I. director Steve Binder;
http://www.nealalpert.com/binder1.html
After many years of bootleg copies, the T.A.M.I. show is now available in it's original roadshow version including the Beach Boys performance which was missing from all the bootleg copies.
Although it is a HD kine, it could be the definitive look of the TK-60's. Gotta order mine now on Amazon.