That's the most pragmatic way of playing the 13th on the guitar,I've found too [Linked Image]

If you're playing 7th chords whose root is on the 5th string, if you're playing a C13, just playing the C on the 5th and the Bb, E, A on the 3rd, 2nd and 1st strings respectively, will give you the 13th sound too...

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