Post Malone delivered a heartfelt tribute to late country legend Toby Keith when he ... played a medley of “I Love This Bar” ...

The members of the karaoke band at Toby Keith's I Love This Bar and Grill in Mesa are kind of like those legendary sidemen, only they back up a different kind of performer: the warbling drunkard ...

For added poignancy, the cover arrives ... “Thank you, Toby,” Scott adds. You leave the performance sure that, yes, Keith would have defended these guys in a bar fight.