Compose a piece of music following the specified structure and theme.
X:1
L:1/8
M:4/4
K:D
['Aceg fafd dcBA', "d2 g abc'd' agfe gbge dcBA FAcA"  
X:1
L:1/8
M:4/4
K:D
 AB/c/ | dAFG Aceg | fafd dcBA | FAcA GBec | Aceg fedc | FDFG Aceg | fafd dcBA | GFGb agfe | 
 Adce d2 :| g | abc'd' agfe | gbge dcBA | FAcA GBec | Aegf e2 ab/c'/ | d'afd gbge | fafd dcBA | 
 GFGb afed | Adce d2 :|  