That is a short tune. I think the reason they are so popular is they are having a blast themselves and it rubs off on the audience. 

@rusty:  Wowie, thanks for posting that!   I had seen on-line that it was a cover of a Robert Johnson tune but I had a hard time believing that.  You just verified it!

@robertdee:  And I think that Chad Smith is one of the VERY best drummers around, anywhere.  The engine that drives their sound.  I know he had a side project with Sammy Hagar some years back, can't remember the name of that band.

@robslob Eric Clapton did a version on his Robert Johnson tribute album.  Here's a clip from the studio while recording - never seen this myself until now:

@rusty:  Absolutely LOVED Clapton's version.  You have educated me once again!  And I love it when Clapton says, "It's getting better every time.  We'll come back to it."  Well, that version was pretty damn hot, Eric!"

Posted by: @robslob

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@robertdee:  And I think that Chad Smith is one of the VERY best drummers around, anywhere.  The engine that drives their sound.  I know he had a side project with Sammy Hagar some years back, can't remember the name of that band.

Chickenfoot

I think of a band like the Ramones.  Don't know off hand "best one minute tune", there are probably some cool intros to songs that are tracked as a separate song leading into the next one that a lot of bands have.