Create a composition following the given musical structure and theme.
X:1
L:1/8
M:2/4
K:Ab
['cB AF']  
X:1
L:1/8
M:2/4
K:Ab
 A | cB AF | ED CD | .EA AB | B2 BA | cB AF | ED C>D | E A/c/ eG | B2 Ac | cB Ac | df ec | Ac ed | 
 c2 BA/B/ | cB AF | d F ED | C/E/A/c/ eG | B2 A |]  