It's simply a solid melody that allows for a wide variety of interpretations.
Prince doing a soundcheck giving it what I imagine a bit more funk than I believe Gershwin could have ever brought to the table ;)
https://www.youtube.com/watch?v=7OF3LOPAbe4
Prince doing a soundcheck giving it what I imagine a bit more funk than I believe Gershwin could have ever brought to the table ;)
https://www.youtube.com/watch?v=7OF3LOPAbe4