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 FG', 'fdec d2 cA'  
X:1
L:1/8
M:4/4
K:D
 F2 FG A2 BG | A2 BG AGFD | F2 FG AG G2 | DG G2 =cAAG :| fdec d2 cA | A2 BG ABde | fdec d2 cA | 
 BG G2 AGFD | fdec d2 cA | A2 BG ABde | f2 fd edcA | BG G2 AGFD ||  