Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:6/8
K:D
['d c2 A B2 d AGF E2', 'AFD FED A2']  
X:1
L:1/8
M:6/8
K:D
|: d | c2 A B2 d | AGF E2 D | EFE E2 D | EFE E2 d | c2 A B2 d | AGF E2 F | DED GEF | DED D2 :: F | 
 A2 ^G AFD | FED A2 D | EFE E2 D | EFE E2 F | A2 B AFD | FED A2 F | DED GEF | DED D2 :|  