D# Mixolydian — Charango
Here is D# Mixolydian across the neck, home lit at every occurrence, ready to strum and hear.
D# Mixolydian is 7 notes to the octave (modes family), drawn here across the Charango's GCEAE courses with every D# marked, so home stays visible from anywhere in the pattern.
Major with a flatted 7th (b7) — bright and bluesy. The dominant chord turned into a tonal center with a rock/folk edge.
Heard in: "Sweet Home Chicago", "Norwegian Wood" (Beatles), Celtic and folk music — anywhere a major sound needs a darker, looser edge.
Five courses tuned GCEAE spread a scale wide for a strumming instrument: two courses share the same pitch class an octave apart, so a run can cross the twin E and land on the same note it just left. These maps mark every root so a line never loses home mid-course.
Practise it as a shape the whole hand crosses, not a ladder one finger climbs: pick four of its notes, rake them as a two-bar phrase against a slow pulse, then slide the same phrase to the next position. That is how this instrument actually uses a scale — raw material for a strummed line.