Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
['FAAF ABde fgfe dBBe dBAF', 'fedf edBc defd'  
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
 FAAF ABde | fgfe dBBe | dBAF ABAF | EGFE DB B2 | FAAF ABde | fgfe dBBe | dBAF ABde | fdad fd d2 :| 
 fedf edBc | defd BAFA | DF F2 AF F2 | edfd eB B2 | fedf edBc | defd BAFB | ABAF ABde | 
 fdad fd d2 :|  