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Originally Posted by Dubista I tend to just play the Root and the 3rd, but the 3rd is an octave higher, when playing "chords" but I guess you could call that a double stop. |
You could call this playing 10ths. (Octave = 8, plus the third, makes it a tenth. The math is off because everything in music starts at 1 instead of 0.) I have Ray Brown's book for jazz double bass and he has pages upon pages of exercises for playing tenths.
With a 5 string bass, you can also play 12ths (Octave plus a fifth).
You can also get away with some substitutions by leaving out the root. For example, if the band plays a B7 and you play anything but the root (basically a D#dim, start with D# A D#) it can work. Extremely tense and prog rock-ish, but it will follow the key and support the melody.