A double stop is when you play 2 notes at the same time, also called dyads – you could have become aware of the much more familiar term triads where you play three notes at the same time.
While solos usually includes single note lines, you can provide your phrasing some additional colour and also even more portion by playing some double stops occasionally.
Double stops is simply guitar jargon for “harmonic periods”. An interval is the distance in between any 2 notes as well as harmonic methods simultaneously seeming tones. Harmonic intervals can be played in thirds, fourths, fifths, sixths and also sevenths.
You could hear them a great deal in rock and blues and also guitar players love using them to boost their soloing.