How many sharps or flats are in A major?

3: F♯, C♯ and G♯. They are written in that order at the start of every line of music.

What are the chords in A major?

A (I), Bm (ii), C♯m (iii), D (IV), E (V), F♯m (vi) and G♯dim (vii°).

F♯ minor. It uses exactly the same notes and the same key signature, but treats F♯ as home.

E, the V chord. It creates the strongest pull back to A.

Key

The key of A major has 3 sharps: F♯, C♯ and G♯. Its scale is A, B, C♯, D, E, F♯ and G♯.

Key signature

Start on A and tap each note of the A major scale going up.

0 of 7 notes

Stack every other note of the scale on each step and you get these chords. I, IV and V carry most songs: I is home, IV moves away, V pulls back home.