Develop a musical composition by integrating the alphabetically represented musical pattern and the supplied melodic theme.
X:1
L:1/8
M:4/4
K:D
['EDFE D2', 'fe dfed BAFA']  
X:1
L:1/8
M:4/4
K:D
 DF | A2- AF BF- F2 | AF- F2 EFDF | A2- AF BF- F2 | EDFE D2 DF | AF F2 BF F2 | AF F2 ABde | 
 f2- fe dBAF |1 EDFE D2 :|2 EDFE D2 || Ad | f2- fe f2- fe | dfed BAFA | e2- ed e2 de | fedf e2 Ad | 
 f2- fe f2- fe | dfed BAFA | ABde f2 ef |1 dBAF ED :|2 dBAF EDDF ||  