Develop musical themes that match the provided chord sequences.
'A', 'D', 'A', 'D', 'A', 'D', 'A', 'D', 'A', 'D', 'A', 'D', 'A', 'D', 'A', 'A', 'D', 'A', 'A', 'D'  
X:1
L:1/8
M:4/4
K:D
|:"A" e3 f e2 ee |"D" defg edcd |"A" e3 e e2 ef |"D" gfed (3cdc Ac |"A" e3 e e4 |"D" defd edef | 
 gbfa edBd |"A" ceBd"D" c A3 ::"A" [EA]2 [EA][EA]"D" [FA]2 [FA][FA] |"A" EFEC"D" B,C [EA]2 | 
"A" [EA]2 [EA][EA]"D" [FA]2 [FA][FA] |"A" EFAc (3BcB A2 |"A" [EA]2 [EA][EA]"D" [FA]2 [FA][FA] | 
"A" EFAc BcAF |"A" EFAB cdef |"D" gfed cB A2 :|  