Craft a musical work adhering to the specified theme and structure.
X:1
L:1/8
M:2/2
K:D
['B2 cA BAFA d2'  
X:1
L:1/8
M:2/2
K:D
 dc |"Bm" B2 cA BAFA | Bd"A7"cA"D" d2 cd |"Bm" B2 cA BAFA |"A7" afef"D" d2 :: de |"D" f2 fe fddb | 
"A7" afef"D" d2 de |"D" fgfe fddb |"A7" afef"D" d2 :|  