Ab major
G major transposed down a major second becomes F major. In the G major scale, the notes are G, A, B, C, D, E, and F#. When you lower each note by a whole step (major second), the resulting scale is F, G, A, Bb, C, D, and E.
B flat (Bb)
Bb. It is really easy to find which note is a fifth down by playing the major triad with the top not as F. That triad is Bb, D, F, so Bb is a fifth below F.
The Bb major scale on a flute is Bb, C, D, Eb, F, G, A, Bb.
The C major equivalent of the key Bb major is A major.
the scale of c is the same for every instrument you can think of. But if you have what is called a transposed instrument (say in Bb or Eb (alto sax) or F (french horn) the c you play will sound different from the c on your piano. you will see that it matches the Bb on the piano so if you want to play in c concert (like the piano) you have to play the scale of d major.
Bb C D Eb F G A Bb A G F Eb D C Bb
a, a, a, a, a, a, a, c, f, g, a, bb, bb, bb, bb, bb, a, a, a, a, g, g, g, a, g, c a, a, a, a, a, a, a, c, f, g, a, bb, bb, bb, bb, bb, a, a, a, a, c, c, bb, g, f. The key is F Major
In a mjor key, Do will be the name of each Key. In F major, Do will be on F. In G Major, Do will be on G. In Bb Major, Do will be on Bb. In C major, Do will be on C.
B flat, C, D, E flat, F, G, A, B flat And then you just go back down it. This is the concert major scale for instruments in the key of C (such as flutes). You can transpose it to the notes you need to fit your own instrument.
F major has one flat; that is Bb.
Bb C D Eb F G A Bb