The B-flat Major Scale is a musical scale that consists of the notes B♭, C, D, E♭, F, G, and A. It is built using a specific pattern of whole and half steps: whole, whole, half, whole, whole, whole, half. This scale is commonly used in various music genres, including classical, jazz, and pop. In terms of key signature, the B-flat Major Scale has two flats: B♭ and E♭. Instruments like the B-flat trumpet and B-flat clarinet are often tuned to this scale, making it essential for musicians to understand its structure and application in their performances.