Create a musical piece with the provided alphabetic notation system and theme.
X:1
L:1/8
M:4/4
K:F
['D F2 G F2']  
X:1
L:1/8
M:4/4
K:F
 C |"F" CCCC"Bb" D F2 G |"Bb" F2 D2"F" C3 F |"C" GGGG"F" A c2 c |"F" c2 (cA)"C" G3 F | 
"C" GGGG"F" (A c2) c |"F" c2 A2"C" G3 A |"Dm" GFDC"Bb" D F2 G |"Bb" F2 D2"F" C2 z |]  