Question: What does the phrase "Practice in all keys" really mean?
Everytime I come across this phrase it scares and confuses me as to what it really means. I know they're 12 keys and I've studied and memorized the circle of 5ths/4ths, but I'm really unclear on how many scales and arpeggios that translates to.
As I see it there are 12 keys with 7 possible root notes per key which if I multiply it that translates to learning 7 x 12 = 84 scales. This can then be extended to mean there are 252 possible triads - root, 1st and 2nd inversions.
Alternately, if I look at it from a Modes perspective there are 7 primary modes, if I exclude pentatonics, harmonic and melodic. This could translate to learning 7 modes for each key plus 7 possible root notes which then climbs to 7 x 7 x 12 = 588 combinations. No wonder it scares me to think that many combinations to learn.
I've read several theory books and lessons, but the math is just not making sense!
So where is my thinking faulty?
It could be the engineer in me that's over thinking the concept.
Any clarification would be appreciated.
Now it's back to practicing the 43 of 84 scales
Thanks in advance, loungesurfer
Everytime I come across this phrase it scares and confuses me as to what it really means. I know they're 12 keys and I've studied and memorized the circle of 5ths/4ths, but I'm really unclear on how many scales and arpeggios that translates to.
As I see it there are 12 keys with 7 possible root notes per key which if I multiply it that translates to learning 7 x 12 = 84 scales. This can then be extended to mean there are 252 possible triads - root, 1st and 2nd inversions.
Alternately, if I look at it from a Modes perspective there are 7 primary modes, if I exclude pentatonics, harmonic and melodic. This could translate to learning 7 modes for each key plus 7 possible root notes which then climbs to 7 x 7 x 12 = 588 combinations. No wonder it scares me to think that many combinations to learn.
I've read several theory books and lessons, but the math is just not making sense!
So where is my thinking faulty?
Any clarification would be appreciated.
Now it's back to practicing the 43 of 84 scales

Thanks in advance, loungesurfer