A natural minor scale has the same notes as its relative major scale. However, we start on the sixth note, known as the Aeolian mode. Because the sixth is a minor any song using this scale will often have a sad or melancholy feel to it.
You'll find below the 5 different positions/shapes of the Bb Natural minor Uke scalein Standard Tuning (gCEA), along with
their ascending tab patterns.