Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
M:6/8
K:A
['CB, A,CA, CA,C ECE AEA FAF DFD', 'EFE EFE'  
X:1
L:1/8
M:6/8
K:A
 CB, | A,CA, CA,C | ECE AEA | FAF DFD | EAE CEC | DFD B,DB, | CEC A,CA, | B,DB, G,B,G, | 
 A,2 A, A, :| CD | EFE EFE | DED DED | CDC CDC | B,CB, B,CD | EFE EFE | CDC CDC | EFE EFE | 
 B,3 B,2 E | A,CA, CA,C | ECE AEA | FAF DFD | EAE CEC | DFD B,DB, | CEC A,CA, | B,DB, G,B,G, | 
 A,3 A, :|  