Compose a musical work that seamlessly incorporates the assigned motif and abides by the given alphabetical pattern.
X:1
L:1/8
Q:3/8=90
M:6/8
K:Bb
['B2 d fdB']  
X:1
L:1/8
Q:3/8=90
M:6/8
K:Bb
|: B2 d | fdB bge | f3 B2 d | fdB ecA | B2 F B2 d | fdB bge | f3 B2 d | fdB ecA | B3 |:  