Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/8
Q:1/4=140
M:4/4
K:D
['FGAF Ddcd BcdB A2', 'f2 df'  
X:1
L:1/8
Q:1/4=140
M:4/4
K:D
 (AG) | FGAF Ddcd | BcdB A2 f2 | g2 eg f2 df | edcB AGFE | FGAF Ddcd | BcdB A2 af | gfed Adce | 
 d2 d2 d2 :: de | f2 df e2 cd | edcB A2 AG | Fdcd edce | efge dcBA | GBEG FADF | EFGA Bcde | 
 f2 df agfe | d2 d2 d2 :|  