I think i had asked this before but I Can’t find the thread. I had this figured out but my son is now doing piano and I re-confused myself…anyways
He is doing perfect fifths. We were working on Star Wars. C4 to G4 is a perfect 5th. He asked if it is the same in reverse. G4 to C4…logically it has to be yes…its the same distance between the notes–same number of keys…same frequencies in a chord.
But according to my cycle of 4ths/5ths chart, starting at G and going to a C is a fourth.
And then that got me comparing it to bass. Starting on C on the a-string, we say that G on the d-string is a fifth. But if we start on G on the d-string, we say that a fifth down is D on the a-string. Yet, i also know the bass strings are tuned in 4ths, so how can that be?
Can someone help me out on this…mind is swimming.