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Long time bass [hack] player, also play a little bit of guitar, working on learning some music theory to expand my understanding of the mechanics of creating music. I'm curious about open tunings on both bass and guitar. Since I have a strong fondness for blues & slide guitar, I'm finding more and more references to open tuning. What are the major reason(s) for doing this? Can open tuning(s) be used on the bass as well as the guitar? Thanks for the assistance -d

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There are a couple reasons that one might use an open tuning but the most common has to do with chords. As you may well have noticed, certain chords are much more comfortable to play than others and some chord voicings just can't be accomplished. Open tunings allow chords to hold a different shape on the guitar, which can make some chord voicings easier or actually possible. Open tunings or alternate tunings can also allow for some monophonic lines to be more easily played and can be used to allow open strings to be incorporated. Some will also say that open tunings will change the tone of your instrument to some extent, which is certainly true since you're essentially changing the tension of the strings, which affects tone, but most professionals will have their alternately tuned guitars all set up for that specific tuning; a setup of this nature would usually change the gauge of the strings to accommodate the needed frequency and maintain the instrument's intended tone and sustain, as well as considering the tension that the strings put on the instrument.

In a traditional approach, the bass doesn't typically play chords, so most of the value of an open tuning is lost, but not all of it, though it may just be categorized as an alternate tuning without playing chords. Since the bass is usually playing monophonically, your alternate tuning considerations would be focused on playability and whether or not you want open strings included. If you are consistently playing certain types of patterns that are hard to accommodate on the bass, an alternate tuning might be able to help with that. This could also be a means of writing something different than you usually would (if you're writing), as we humans tend to fall into habits/patterns and those patterns are often influenced by the amount of effort/comfort involved in accommodating them. So, a change in tuning will make some options easier and others harder, essentially forcing you to either do something new or find a new way to do the same thing you did in the original tuning, both of which can be a great exercises for your musicality, and your brain in general.

There are those bass players that play chords, myself included, and an open tuning could very well be great for those players. Beyond the fact that low frequencies tend to get very muddy when used for chords, bass is a lot more difficult to physically play chords on due to the size of the instrument and its strings, as well as the scale length being longer, making it more difficult to get the same fret range that you would on a guitar. An open tuning or alternate tuning could help reduce the physical strain of accommodating chords by allocating some notes to open strings, or changing the location of a given frequency to be included in your chord, which can reduce the stretch needed to reach it, or make a given note not need to be barred, as barred chords on bass are particularly uncomfortable.

So generally speaking, I don't typically see open tunings for bass, though I have seen alternate tunings. For example, the bassist for Tool uses DADA (not sure if he always does or just for some songs though). I also have a 6-string bass that is tuned from D-Eb (tuned in fourths) but that just affects the overall range of the instrument and not the playability or comfort level of a given chord or interval. It could be fun to experiment with but if it were more useful, it would probably be a lot more common than it is.

  • Interesting and thoughtful ... Thank you! Re: habits/patterns - I'm recovering from wrist surgery, and finding positions that were comfortable in the past aren't comfortable (or possible in some cases) ... so this is an interesting and perhaps practical application. – David Jul 6 '16 at 20:10
  • @David - That might just be the sort of solution that you're looking for. I've had wrist issues myself (fortunately no surgery required), which are probably at least partially the result of my playing chords on bass. You may also want to sit down with an instructor, if that's something available to you, and they can make sure that your technique is proper. – Basstickler Jul 6 '16 at 20:35
  • Improper technique can cause a lot of issues. Try to position yourself so that your wrist is as straight as possible. This may call for raising the bass by adjusting your strap. Look up some Classical guitarists and notice how they sit and how the guitar rests. They most often have the guitar resting on their left leg, unlike most others who place it on their right leg (for right handed guitars) and they will have that leg elevated with a stand under their foot. All of this is to promote a healthy posture and cause as little physical strain as possible, ensuring a long musical career. – Basstickler Jul 6 '16 at 20:37
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From a slide perspective it becomes obvious: a slide is straight, so complex fingerings are impossible. Instead, you tube the strings so that the chords you want are able to be "fretted" by a straight bar.

Even if not using a slide, open tunings can sound quite different when you play chords.

Yes, you can use open tuning on a bass - it's not quite as relevant, as basses are tuned quite simply (guitars are tuned the way they are to make chords very accessible, and this isn't as necessary on a bass)

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