A 2nd Cover Riddle

Riddle me this: What do these tunes all have in common?

Johnny Cash - I Won't Back Down [originally by Tom Petty]

Leslie West - Old Brown Shoe [originally by The Beatles]

The Jeff Healey Band - All Along the Watchtower (live)
[originally by Bob Dylan]

Yeti Girls - Don't Bring Me Down [originally by Electric Light Orchestra]

Rockapella - Pretty Woman [originally by Roy Orbison]

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Another easy one, je pense.
The answer in the form of a cover in a few days.