The pattern of flats in key signature Bb Eb?

In the key signature of B-flat major or G minor, there are two flats: B♭ and E♭. This pattern indicates that B♭ is the tonic (or home note) in B-flat major, while in G minor, it serves as the subdominant. The presence of these flats affects the scale, harmonies, and overall tonality of the music written in these keys.