Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
M:2/2
K:Dmix
['A3 B AGFD (3EFG AB', 'df f2 af f2', 'AGFD (3EFG AB', 'AFEG FD']  
X:1
L:1/8
M:2/2
K:Dmix
 A3 B AGFD | (3EFG AB c3 A | G2 EC G,CEG | cAGc AGFG | A3 B AGFD | (3EFG AB c2 cA | df f2 e^cdB | 
 AFGE FD D2 :: df f2 af f2 | bfaf gfed | ^cdef gece | ge^cA GABc | df f2 af f2 | d2 fd ed^cA | 
 (3B^cd ec decB | AFGE D4 ::"^variations" A2 GB AGFD | (3EFG AB cBcA | G2 EG cGEG | cG G2 AGFG | 
 A2 GB AGFD | (3EFG AB c2 Ac | df f2 e^cdB |1 AFEG FD (3EFG :|2 AFEG D4 |: df f2 af f2 | 
 b2 af gfed | (3B^cd ef ge e2 | ge^cA GABc | df f2 af f2 | defd ed^cA | (3B^cd ec dBcB |1 
 AFEG FD D2 :|2 AFEG FD (3EFG ||  