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:6/8
K:Ador
['A2 B cBA', 'A3 a3 age dBd g3 gfg gfe', 'ABA gAf ABA']  
X:1
L:1/8
M:6/8
K:Ador
 A2 B cBA | edB cBA | G3 EGG | DGG EGG | A2 B cBA | e2 d efg | age dBG | ABA A3 :| a3 age | 
 dBd g3 | gfg gfe | dBA G3 | EGG DGG | EGG A2 B | ced BAG | ABA A3 :| ABA gAf | ABA edB | GFG eGd | 
 GFG edB | ABA gAf | ABA efg | age dBG | ABA A3 :|  