Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
M:4/4
K:D
['B A2 A2 FGA(F ED)CD EFGE D2', 'd e (fgf)e fg a2 (ec)Ac ef'  
X:1
L:1/8
M:4/4
K:D
 B | A2 A2 FGA(F | ED)CD EFGE | D2 DE FGA(F | AB)de fd d :| e | (fgf)e fg a2 | (ec)Ac ef g2 | 
 (f<a)ef dBAF | ABde f(dd)(e | f)gfe fga(f | ed)cd efge | afge d(BAF) | Adfe fd d2 ||  