Develop musical pieces that conform to the specified format and include the suggested musical theme.
X:1
L:1/8
M:4/4
K:D
['f2 B2'  
X:1
L:1/8
M:4/4
K:D
 AB |"D" d2 f2 e2 f2 | defd edBA |1,3 d2 f2 e2 f2 |"G" g2 B2 B2 :|2,4"G" BABc d2 BA | 
"A" F2 A2 A2 :: z2 |"Bm" f2 B2 f2 B2 | fggg fe d2 |1,3"Bm" f2 B2 f2 B2 |"A" edcd e2 :|2,4 
"G" BABc d2 BA |"A" F2 A2 A2 :|  