A Ritsusen(律旋) for Bass
A Ritsusen(律旋), sometimes called "A Yo Scale" is a pentatonic scale. Pentatonic scales have 5 notes, "penta" comes from the greek word "Pentateuch" which means 5.
The A Ritsusen(律旋) scale is derived from the A Mixolydian mode by taking scale degree 1, 2, 4, 5 and 6 of the scale.
A
B
D
E
F
A
W
m3
W
W
m3