Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
Q:1/4=100
M:4/4
K:D
['f2 A2'  
X:1
L:1/8
Q:1/4=100
M:4/4
K:D
 A2 |"D" GFED F2 A2 |"Bm" d3 e f2 A2 |"G" Bcdc BAGF |"A" F4 E2 A2 |"D" GFED F2 A2 | 
"Bm" d3 e f2 A2 |"G" BcdB"A" cdef |"D" d4 d2 :: ef |"G" gfed"A" c2 A2 |"D" dcde"F#m" f2 A2 | 
"G" Bcdc BAGF |"A" F4 E2 A2 |"D" GFED F2 A2 |"Bm" d3 e f2 A2 |"G" BcdB"A" cdef |"D" d4 d2 :|  