The C Major Scale in Open D tuning for guitar.
The notes used in the C major scale are: C (1st or root), D (2nd), E (3rd), F (4th), G (5th), A (6th), and B (7th).
C Major Scale Guitar Tabs
Root on 5th String D |--------------------------| A |--------------------------| F#|-----------------3--5--6--| D |--------2--3--5-----------| A |--3--5--------------------| D |--------------------------|
Root on 4th String D |--------------------------9--10--| A |------------------10--12---------| F#|----------10--11-----------------| D |--10--12-------------------------| A |---------------------------------| D |---------------------------------|
Root on 3rd String D |------------------7--9--10--| A |--------7--8--10------------| F#|--6--8----------------------| D |----------------------------| A |----------------------------| D |----------------------------|