Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
M:3/4
K:D
['A2 B2 A>G F>G (3ABA (3FDF (3F2', 'A>G (3ABc d2 c>B'  
X:1
L:1/8
M:3/4
K:D
 (3A2 A2 B2 A>G | F>G (3ABA (3FDF | (3F2 F2 E2 C>E | D>F (3EFE C>E | (3D2 A2 B2 A>G | 
 F>G (3ABA (3FDF | (3F2 F2 E2 C>E | (3DEF D4 ::[K:A] (3A2 A2 B2 A>G | (3ABc d2 c>B | 
 (3A2 A2 c2 B>G | A>c (3BcB G>B | (3A2 A2 B2 A>G | (3ABc d2 c>B | (3:2:2A2 c4 B>G | (3ABc A4 :|  