Jack - Thanks for the reassurance. It can't be that new of a tune - I learned it some 35 years ago or more. My sister tells me I should search your database, I found a web page but I'm not sure where to start? Stewart & Stu - my (limited) research showed 3 types of minor scales: Natural - with a flatted 3rd, 6th & 7th Harmonic - with a flatted 3rd and 6th but not the 7th Melodic - when ascending only a flatted 3rd and when descending a flatted 3rd, 6th and 7th. In my example the Em tune uses the natural 7th (D#) when ascending and the flatted 7th (D) when descending. Maybe we are saying the same thing? If the tune used the 6th on descent, I would expect it to be a flatted 6th. Still trying to find a written source for this version of Swallowtail. Thanks.
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