Hi Folks,
In this post we will take a quick look at two chords, 9th and minor 7b5. When based off the fifth string they are actually two chords with the same shape. Here is it below.
At the second fret that chord form can function as either a G9 chord or a B minor 7 flat five. Those chords are considered enharmonic. Lets break it down.
From the fifth string down the notes are B, F, A, and D. Treating the 5th string as the root its a Bm7b5, which contains the root, in this case B, the third D, a flatted 5th F, and the minor 7th, A. Like all the other chords we have been looking at recently this one is movable, slide it up one fret and its a Cm7b5, up two frets from that and its a Dm7b5. Pretty cool.
But it also functions as a G9 chord, lets look at that. So keeping the chord in the same position at the second fret we have thenotes B, F, A, and D. As you can see no G, which means this chord contains no root. So in this case the B note on the 5th string will be the third of the chord. A G9 chord contains the notes, G, B, D, F, and A. So minus the root G, which is not totally necessary, we have the same notes at the Bm7b5. And thats how you can have two different types of chords with the same notes. Just remember that the 5th string is now the third of the chord, not the root. So you slide it up two frets and its an A9, two more frets from there and its a B9 etc.
Next time we will look at few more movable chord forms, which should give us a nice bunch of chords to use.
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