B♭ (A#) Minor Scale

The B♭ or (A#) minor scale is a seven-note scale that has a somber, emotional sound, as it is a minor scale. 
It follows the pattern of whole steps and half steps typical of the natural minor scale.

The Notes of the B♭ Minor Scale:
The B♭ minor scale consists of the following notes:

B♭ - C - D♭ - E♭ - F - G♭ - A♭ - B♭ or A# - B# - C# - D# - E# - F# - G# - A#

The A# minor scale has seven sharps in its key signature.

The scale follows the natural minor pattern of steps: W - H - W - W - H - W - W.

The A# minor scale is a relatively complex scale to play because of all the sharps, but it is important for understanding key signatures and minor scales.

Because of its seven sharps, A# minor is a less commonly used key in practical music-making, but it appears in some advanced classical and contemporary music.