Construct a musical work using the alphabet-based form and the provided motif.
X:1
L:1/8
Q:1/2=90
M:2/2
K:Bb
['Bcde fBAB gBaB', 'fBAB gBAB']  
X:1
L:1/8
Q:1/2=90
M:2/2
K:Bb
 Bcde fBAB | gBaB bBAB | GBFB EBDB | edcB BAGF | Bcde fBAB | gBaB gBAB | GBFB EBDB | ecBA B4 || 
 fBAB gBAB | fBAB gBAB | gbba gfge | edcB BAGF | Bcde fBAB | gBaB bBAB | GBFB EBDB | 
 dcBA"^cr" B4 |]  