Watch the Drop 2, 4 Voicings online guitar lesson by Brad Carlton from Guitar Lab: The Golden Arp
The final inversion of the drop 2, 4 voicing of the add 9 chord is 3rd inversion. The 5 is the lowest voice and both fingerings are useful. I will demonstrate fingering options and the potential advantages and disadvantages of various choices. I'll also show how to use the CAGED system of major chords as a point of reference.