Create a musical composition that adheres to the provided structure and theme.
X:1
L:1/8
M:4/4
K:F
['cA (FG) AB c2 cA GABc (dc)', 'F6 z2 F>GA>B cccA G>AB>c dBAG F>GA>B'  
X:1
L:1/8
M:4/4
K:F
 cA | (FG) AB c2 cA | GABc (dc) (AG) | F2 f2 (ed) (c=B) | c4 | c2 | f2 (af) g2 f2 | c2 (dB) A2 f2 | 
 cBdB (AG) FE | F6 || z2 | F>GA>B cccA | G>AB>c dBAG | F>GA>B c2 de | fdc=B c2 c2 | f2 (af) g2 f2 | 
 c2 (dB) A2 f2 | ccdB (AG) FE | F6 ||  