Watch the 3rd as First Voice online guitar lesson by Brad Carlton from Guitar Lab: The Golden Arp

This lesson will organize all eight voicings of the add 9 chord in which the 3rd is the 1st voice. They will be as follows: close voicing; drop 2; drop 3; drop 2, 3; drop 3,4; drop 2, 4; drop 4; and drop 2, 3, 4.