Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:4/4
K:Dmix
['A, D2 FD ADFD EEcE dEcE D2', 'fd d2 faaf ec c2 egge', 'fgag fd d2 efgf ec c2', 'f2 df']  
X:1
L:1/8
M:4/4
K:Dmix
 A, | D2 FD ADFD | EEcE dEcE | D2 FA d3 B | cAGE EDD :| g | fd d2 faaf | ec c2 egge | fdd^c dcAB | 
 cAGE EDDg | fd d2 faaf | ec c2 egge | d2 eg fagb | afge fdd |] e | fgag fd d2 | efgf ec c2 | 
 fgag fddB | cAGE EDDe | fgag fd d2 | efgf ec c2 | d2 eg fagb | afge fdd |][K:D] e | f2 df f2 df | 
 e2 ce Aece | f2 df f2 af | e2 cf edde | f2 df dfdf | e2 ce cece | d2 eg fagb | afge fdd |]  