Compose a piece of music that combines the given melodic theme with the assigned alphabetical pattern.
X:1
L:1/8
M:4/4
K:C
['A2 (ed) cdec', 'GABG (ea)ag edBd gfgd BGBd']  
X:1
L:1/8
M:4/4
K:C
[M:4/4][K:Amix] .abc A2 (ed) cdec | A2 (ec) dBGB | A2 (ed) cdec | BGEF GABG :| (ea)ag edBd | 
 gfgd BGBd | (ea)ag edcB | AGEF GABG | (ea)ag edBd | gfgd BGBd | AGAB cBcd | (3efgfa gedB"_D.C." |]  