Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:2/4
K:F
['A G']  
X:1
L:1/8
M:2/4
K:F
 c d c2 | d f A G | c c A c | G F D C | G2 A G | F G/ F/ D2 | f f d A | c4 |]  