Create a musical composition that adheres to the provided structure and theme.
X:1
L:1/8
M:9/8
K:D
['DDD DBG', 'GEc dcd DdB AGF dcd dfa gfe'  
X:1
L:1/8
M:9/8
K:D
|: DDD DBG FAF | DDD DBG Acd | DDD DBG AFA | GEG =cA/B/c/A/ GEc :: dcd DdB AGF | dcd dfa gfe | 
 fdf edc dcB | AGF =cA/B/c/A/ GFE :|  