Demo

b_ = Bb/A#

Notes

    a abD DEF# ED ba
    a abD DEF# ED F#E
    a abD DEF# ED ba

    F# E D aA F#E DE F#D

    F# D C# ED aD E
    F# D C# ED aD E

    F# DE F#G F#E GF# DC# ba aD E
    F# D C# ED aD E
    F# D C# ED aD E
    F# DE F#G F#E GF# DE C#D