Based on some lively threads here about the key of Lou Rawls "Natural Man" -- I thought this group might enjoy this music theory article I happened upon:
"Fragile, Emergent, and Absent Tonics in Pop and Rock Songs"
http://mtosmt.org/issues/mto.17.23.2/mto.17.23.2.spicer.html
What key is Get Lucky (Daft Punk)? She's Gone (Hall & Oates)? Raspberry Beret (Prince)? Jane Says (Jane's Addition)? There's something for everybody!
I learned some new vocabulary, like "melodic-harmonic divorce"
[13] Let us consider two such examples. Example 6a shows a transcription of the opening of Jane"s Addiction"s 1988 alternative rock classic 'Jane Says,' a track built entirely on a repeating two-chord guitar riff of G majorâA major. Above Dave Navarro"s incessant guitar riff, Perry Farrell"s vocal melody insistently outlines the tonic triad of D major, and seems to be at odds with the oscillating chords below; indeed, this is an excellent example of what David Temperley (2007) and more recently Drew Nobile (2015), following Allan Moore (1995), have termed the 'melodic-harmonic divorce' in rock. To my ears, this divorce between the melody and harmony causes the whole song to sound like an ever-repeating IVâV that is searching for its tonic but never resolves