David Hodge

Since joining Guitar Noise in 1999, David has written over a thousand articles, lessons, interviews and reviews here. He also serves as the site's Managing Editor, supervising all content in addition to the continued writing of his own lessons and articles. And if that wasn't enough to keep him busy, David is also the author of seven instructional books, the most recent being Idiot’s Guide: Guitar Theory.

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2 Comments

  1. col
    October 12th, 2013 @ 3:31 am

    When chords such as A9 require the 9th note (B) adding; why is it not called A2? When the B is added, does it need to be in the octave above the other notes to be the 9th note?

    i am trying to understand chord theory but it does get very complicated!

  2. Don Deering
    October 27th, 2014 @ 6:41 pm

    My understanding is that a 9 chord will be voiced like a dominant chord, i.e., it will have the flat 7 (in addition to the 1, 3 & 5). A sus2 chord won’t contain the 3 or the 7. So Asus2 would be voiced A, B & E. A9 would be voiced A, C#, E, G & B (but due to the limits of the neck, and for other reasons, it won’t usually/necessarily be voiced low to high).

    That was a question I used to have.

    I just noticed that your comment is from A YEAR and two weeks ago, maybe you’ve already found the answer.