That’s because A-sharp minor is considered a theoretical key, existing in theory but too impractical for use. Okay, five flats is still a lot of accidentals, but it’s better than seven sharps, and we’re not going to make you learn A-sharp minor when your chances of finding anything written in this key signature are slim to nil.Ĭheck it out: Type “A#m” into Uberchord’s chord finder and you’ll see a chord, but you’ll notice that the chord’s notes are named Bb, Db, and F- not A#, C#, and E# as they would be written in the key of A-sharp minor. Like the U2 song, “Sunday Bloody Sunday,” B-flat minor can express shock, grief, and a deep longing for peace. So considering that in the key of A-sharp minor you’ll find seven sharps and in the key of Bb minor only five flats, it doesn’t take a neuroscientist to figure out that Bb wins. Once again we’re stuck with a decision: Which enharmonic equivalent do we use, given that both of these names, along with their respective key signatures, refer to the same series of tones? If you’ve been following along with this series, you’ll know how much we love the KISS (keep it simple, stupid) rule. Songs in the Key of B-Flat Minor: A Sad Longing for Peace.Chords and Common Chord Progressions in the Key of B-Flat Minor.Theory and Practice: The Pattern of the B-Flat Minor Scale Explained.The B-Flat Minor Chord Position on the Guitar: Both Easy and Useful.