You're absolutely right that Dune was MacLachlan's film debut, not Blue Velvet. (For some reason, I always think Dune came after Blue Velvet.)
But Blue Velvet was Orbison's comeback. By the time Pretty Woman was released in 1990, Orbison had recorded three hugely popular albums on his revival run, including Traveling Wilburys, vol.1 (with Tom Petty, Bob Dylan, George Harrison, and ELO's Jeff Lynne):
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But Blue Velvet was Orbison's comeback. By the time Pretty Woman was released in 1990, Orbison had recorded three hugely popular albums on his revival run, including Traveling Wilburys, vol.1 (with Tom Petty, Bob Dylan, George Harrison, and ELO's Jeff Lynne):
https://youtu.be/GKHqC9FnA-I