Develop a musical piece incorporating the designated alphabet-based pattern and the supplied melodic theme.
X:1
L:1/8
M:6/8
K:Ador
['', 'e edB ABG EFG AFD BEE dEE', 'geg abg', 'FEF GAB cBA', 'BAG A2']  
X:1
L:1/8
M:6/8
K:Ador
 e |: edB ABG | EFG AFD | BEE dEE | cBA BGE | gea fdf | ece fdA | EFG ABA | dBG A2 e :: geg abg | 
 fgf ecA | geg abg | fdf e2 e |1 geg abg | fgf ecA | EFG ABA | dBG A2 e :|2 aba g3 | f3 ecA | 
 EFG ABA | dBG A2 D |: EDE G2 D | EFG FEF | GAB cBA | BGB AFD | EDE G2 D | EFG FEF | GAB cBA |1 
 dBG A2 D :|2 dBG A2 A |: B/c/de gcg | bcg acg | e/f/gf efd | BAG AFD | B/c/de gcg | bcg acg | 
 e/f/gf efd |1 BAG A2 A :|2 BAG A2 e ||  