Develop musical pieces that conform to the specified format and include the suggested musical theme.
X:1
L:1/8
M:2/4
K:F
['c2 z']  
X:1
L:1/8
M:2/4
K:F
 C | FFFF | EFGC | GGFG | A2 z C | FGAF | DDDD | BGEG | F2 z c | =BGGd | cGGc | =Bcfd | c2 z B | 
 AABA | Bcdd | cBGE | c2 z c | BGEC | A2 z A | GFEG | F2 z A/B/ | cccf | c2 z A/A/ | BBGG | 
 A2 z A/B/ | cccf | c2 z A/A/ | BBGc | F2 z |]  