Develop musical pieces that conform to the specified format and include the suggested musical theme.
X:1
L:1/16
M:2/4
K:D
['FE DEFD E2FE DEFE D2DD DFED FEFG', 'a2ae fgfe dfed'  
X:1
L:1/16
M:2/4
K:D
 FE | DEFD E2FE | DEFE D2DD | DFED FEFG | ABAF E2 EE | D2FD EDFE | DFED F2FE | DEFE [DA]2fe | 
 dBAF [DA]2 :: fg | a2ae fgfe | dfed f2fg | a2ae fgfd | gfec [Ae]2fg | a2ae fgfe | dfed f2fa | 
 b2a2 f2>e2 | dBAF [DA]2 :|  