Compose a piece adhering to the given musical structure and theme.
X:1
L:1/8
M:4/4
K:D
['AD (F/E/D)', "(ab)af (de)fd eb{c'}ba beef"  
X:1
L:1/8
M:4/4
K:D
 B | AD (F/E/D) dD (F/E/D) | EB{c}BA BEEd | AD (F/E/D) (dg)fe | dBAF ADD :| f | (ab)af (de)fd | 
 eb{c'}ba beef | (ab)af (dg){g}fe | dBAF ADDf | (ab)af (de)fd | eb{c'}ba beef | abaf dgfe | 
 dBAF ADD ||  