Define "blues scale".

The blues scale is defined as a six-note scale that is integral to the blues music genre. It is characterized by the inclusion of flattened notes, specifically the flattened third and flattened fifth degrees. This alteration helps to create the distinctive sound and emotional expressiveness that are hallmarks of blues music.

In the context of the blues scale, the typical notes would follow a pattern that includes the root, flattened third, fourth, flattened fifth, fifth, and flattened seventh. This scale provides musicians with the tools to evoke specific feelings and vibes that resonate deeply within the cultural context of blues, allowing for both melodic improvisation and emotional depth.

Other choices reference musical concepts that do not accurately describe the blues scale. While major scales and classical music employ different types of scales, they do not incorporate the unique flattened notes that define the blues scale. Additionally, the statement about avoiding sharps and flats does not apply to the blues scale, since it specifically includes those altered pitches as a fundamental aspect of its structure.