Assemble a piece of music by merging the alphabetic representation of the predetermined musical pattern and the provided melodic theme.
X:1
L:1/8
M:4/4
K:A
['A2 cA', 'eA (3cBA eAAc']  
X:1
L:1/8
M:4/4
K:A
 A2 cA (3FAF (3EFG | A2 cA (3Bcd cB | A2 cA (3FAF E2 | ec (3Bcd cABG | A2 cA (3FAF (3EFG | 
 A2 cA (3Bcd cB | A2 cA (3FAF E2 | ec (3Bcd cA A2 || eA (3cBA eAAc | eAce fg (3agf | 
 eA (3cBA eAAc | dBcA BA F2 | eA (3cBA eAAc | eAce f2 fg | afge fdec | dBcA BA F2 ||  