Playing all the major chords or all the minor chords in a row helps us to learn the changes of interval in a double-stop scale.
Here Emily plays all the major chords of one octave of the C Major scale in 3rds. She silently fingers the minor intervals in between.
Also play all the minor chords of the scale in 3rds, silently fingering the major 3rds.
Practise both with and without silently fingering the in-between intervals.
SEE
Scores - Double-Stop Scales - All majors then all minors - violin & viola
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