James Burton is mostly looking at Ricky, which is totally what AKSARBENT would have done.
Nelson had Burton before Elvis, who had to wait until Burton's employment with the teen idol and his TV family paterfamilias ended before hiring Burton for his band.
By the way, James Burton's 75th birthday bash will be held three weeks from now. Anyone can attend. Go here for details.
Below: James Burton in Omaha in 1977: