Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
M:6/8
K:G
['e2 d']  
X:1
L:1/8
M:6/8
K:G
 d | e2 d e2 d | e2 d e2 d | b2 a g2 f | e3 d2 d | ccc edc | BBB d2 B | G2 B d2 B | A3 G2 d | 
 e2 d eed | eed e2 d | b2 a ggf | e3 d2 d | ccc e2 c | B2 B d2 B | GGB ddB | A3 G2 z |]  