Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
Q:1/4=120
M:2/4
K:C
['E/F/ GG AA']  
X:1
L:1/8
Q:1/4=120
M:2/4
K:C
 E/F/ | GG AA | G2 G2- | G4- | G3 E/F/ | GG AA | GG EE | CC DD | E2 E2- | E4- | E3 E/F/ | GG AA | 
 G2 G2- | G4- | G3 E/F/ | GG AA | GG EE | CC DD | C2 C2 | G>F G>E | CC DD | E2 E2 | G>F G>E | 
 CC DD | C2 C2 |]  