Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/16
M:2/4
K:A
['efed cdcB A2Ac B2Bd', 'A4 B2>A2G2A2 B2AB c2Bc dcde fedc cBBB']  
X:1
L:1/16
M:2/4
K:A
 efed cdcB | A2Ac B2Bd | c2ce fedc | cBBB B4 | efed cdcB | A2Ac B2Bd | cBcd cBAG | A2A2 A4 :: 
 B2>A2G2A2 | B2AB c2Bc | dcde fedc | cBBB B4 | B2>A2G2A2 | BABc B2c2 | B^dfa gefd | 
 e2e2e2 z2!D.C.! :|  