Melodic Minor Scale
With just one note differentiating the Melodic Minor Scale from the Major Scale, you'll expand your pallet of musical exploration exponentially.
Play all seven modes of the Melodic Minor Scale at 60bpm, 16th notes.
Prepare to have your sound "altered"...
While the Altered Dominant sound is actually a mode from the Melodic Minor scale, you'll hear how it can be equally useful when thought of as its own entity.