Construct a musical work that combines the specified musical pattern's alphabetical representation and the given melodic motif.
X:1
L:1/16
Q:1/2=60
M:2/4
K:G
['g4 d4 dcBc']  
X:1
L:1/16
Q:1/2=60
M:2/4
K:G
 g4 d4 | dcBc d4 | dcBd cBAc | BAGB Adef | g4 d4 | dcBc d2g2 | cBAc BAGB | A2AA A4 |:  