Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
M:2/2
K:D
['d2 (fe) dcBd', 'BcdB AFGE (FD) D2 :|2 Bgfe dBAG']  
X:1
L:1/8
M:2/2
K:D
|: d2 (fe) dcBd | ABFB ADFA | d2 (fe) dcBd |1 AFDF (GE) E z :|2 AFEG FD D2 |]: AddA BAFA | 
 defd (Be) e z | AddA |1 BcdB | AFGE (FD) D2 :|2 Bgfe | dBAG FD D2 |]  