Compose a piece adhering to the given musical structure and theme.
X:1
L:1/8
M:4/4
K:D
['G2 GB E2 EB GABd'  
X:1
L:1/8
M:4/4
K:D
 B |"D" AFED"G" G2 GB |"D" AFED"A" E2 EB |"D" AGFD"G" GABd |"A" AGFE"D" DdcB |"D" AFED"G" G2 GB | 
"D" AFED"A" E2 EB |"D" AGFD"G" GABd |"A" Agfe"D" d2 d || A |"D" defd"A" gfec |"D" defd"A" ecBA | 
"D" defd"G" gfeg |"A" f/g/a ef"D" d2 dA |"D" defd"A" gfec |"D" defa"A" ecBA |"D" defd"Em" gfeg | 
"A" faef"D" de B ||  