ZZ Top may not own the blues outright, but they definitely own the mineral rights
They do own La Grange
https://www.youtube.com/watch?v=Vppbdf-qtGU
You know how La Grange segues into Jesus Just Left Chicago on ‘Tres Hombres’?
It was a recording error but it sounded so good to them that they left it alone.
La Grange= Waiting for the bus (lo siento)