In traditional jazz, you come across the progression:
VIm7 / I |
This is exactly what I'm discussing. It's good to know you get away with playing it simply as:
And we don't want to get into Big Trouble with the British government's Jazz Band Regulator - OFFSTOMP.
P.S. Since writing the above, I have received this helpful message from Tom Corcoran:
This website has some good information on synonym chords (that's a new term I just learned). I now see why Am7=C6; both chords contain the same notes, but in a different sequence. The diminished chords on the uke are also a good example of synonyms where the same chord shape and position can apply to four different keys.