This is quite a treat. Someone has posted the entire “Austin City Limits” show from 1992 that featured Asleep At the Wheel and four members of the Texas Playboys. It’s western-swing heaven.
https://youtu.be/hgOM7kJT9SY
If you want to hear “Route 66,” you can skip ahead to the 39-minute mark. And check out the Route 66 shield in the background as part of the band’s decor. The shield can be found on band leader Ray Benson’s vest, too.