Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:4/4
K:D
['F2 AB AFAF GABc BGBG FAAB AGFE', 'f2 fd'  
X:1
L:1/8
M:4/4
K:D
 F2 AB AFAF | GABc BGBG | FAAB AGFE | DEFD E2 D2 :| ABde f2 fd | g2 ge f2 fd | ABde f2 fd | 
 gfed B2 d2 | ABde f2 fd | g2 ge f2 fd | ABdf g2 bg | afdf e2 d2 ||  