Ahh, understood, thanks.
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I discovered with Mr Catto‘s method one can still figure out the double sharp notes for such unconventional scales. The approach is quite analogous to what we learned in grade 3.
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Hello @tennesr welcome to the Community and thanks for subscribing to the theory course.
As with all these triads, knowing the major scale of the same root helps. But the A# major scale is a very user-un-friendly thing.
In real life, virtually nobody would use it, they would instead opt for the enharmonic equivalent Bb major scale.
However, it is still good practice and a testing ground for your understanding to be able to work with it.
The Major scale formula
W - W - H - W - W - W - H
Start at A#
A# - B# - C## - D# - E# - F## - G##
Yuck.
Can you see who it is not used much?
Another approach is to take the A major scale and simple add a # to each and every note. But that mostly defeats the object of practicing your ability to work with the theory learned in the course.
From that A# major scale you need the 1st, the flattened 3rd and the 5th to make an A# minor triad.
