The tonic triad on F major is F, A, C.
The key signature
has one flat, that is B flat.
Click twice to hear it.
F is the root of the chord. A is the 3rd. C is the 5th.
The relative minor of F major is D minor. This also a key
signature of one flat.
Click twice to hear it.
D is the root of the chord. F is the 3rd. A is the 5th.