Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/8
M:4/4
K:F
['DE F4 c4 A4 F4', 'FE ECDE'  
X:1
L:1/8
M:4/4
K:F
 C DE | F4 c4 | A4 F4 | FEEC DE | GF FC DE | F4 c4 | A4 F4 | FE ECDE | F3 |: A GF | FE ECDE | 
 GF FAGF | FE ECDE | GF FC DE | F4 c4 | A4 F4 |1 FE ECDE | F3 :|2 c2 Bcde | f3 |]  