Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/16
M:2/4
K:G
['f2de d2d2', '(GB)(dB) (GB)(dB) c2Bc B2B2 G2G2']  
X:1
L:1/16
M:2/4
K:G
|: f2de d2d2 | c2Ac{B} B4 | G2G2 (FG)(AB) | (c2B2) (B2A2) | f2de d2d2 | c2Ac B2B2 | G2G2 (FG)(AB) | 
 (cA)(GF) G2G2 :: (GB)(dB) (GB)(dB) | c2Bc B2B2 | G2G2 (FG)(AB) | (c2B2)(B2A2) | 
 (GB)(dB) (GB)(dB) | c2Bc B2B2 | G2G2 FGAB | cAGF G2G2 :|  