The A Major Scale in Open D tuning for guitar.
The notes used in the A major scale are: A (1st or root), B (2nd), C♯ (3rd), D (4th), E (5th), F♯ (6th), and G♯ (7th).
A Major Scale Guitar Tabs
Root on 4th String D |--------------------6--7--| A |--------------7--9--------| F#|--------7--8--------------| D |--7--9--------------------| A |--------------------------| D |--------------------------|
Root on 5th String D |--------------------------| A |--------------------------| F#|--------------------2--3--| D |-----------0--2--4--------| A |--0--2--4-----------------| D |--------------------------|
Root on 3rd String D |-----------------4--6--7--| A |--------4--5--7-----------| F#|--3--5--------------------| D |--------------------------| A |--------------------------| D |--------------------------|