Compose a piece of music following the specified structure and theme.
X:1
L:1/8
Q:3/8=104
M:6/8
K:D
['A>BA d2 f e2 e e2', 'A2 A', 'd e>de d2 f/g/ a2 a f2'  
X:1
L:1/8
Q:3/8=104
M:6/8
K:D
"^A" z | A>BA d2 f | e2 e e2 f | def B2 e | (d3 c2) A | A>BA d2 f | e2 e e2 b | afd e2 f | 
 (d3 d2) :|"^B" z | ABc A2 A | B2 B A2 A | Bcd A2 A | B3 A2 :|"^C" f/g/ | a2 a f2 d | 
 e>de d2 f/g/ | a2 a f2 d | (f3 e2) :|  