I needed a song with lots of secondary dominants in it for aural skills class, and I realized that Norah Jones' adult-contemporary smash "Don't Know Why" has a bunch of them. The song came out in 2002, though it could have been recorded at any time in the 50 years previous.
"Don't Know Why" was written and first recorded by Jesse Harris. (He plays guitar on Norah Jones' recording too.)
I like this jazzier version that Norah Jones played at home in 2020.
Also, enjoy the Sesame Street version.
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