Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
M:2/4
K:C
['ecBd c C2', 'c2 Bc dBGf e g2 (3a/g/f/ ecBd']  
X:1
L:1/8
M:2/4
K:C
 ecBd | c C2 F | EGAc | B d2 g/f/ | ecBd | c C2 FD | EG eB | c2 :: Bc | dBGf | e g2 (3a/g/f/ | 
 ecBd g G2 F | EGcE | F a2 g/f/ | ecGB | c2 :|  