Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
Q:1/8=116
M:6/8
K:D
['D2 F A2 d fdA'  
X:1
L:1/8
Q:1/8=116
M:6/8
K:D
|: A |"D" D2 D D2 F | A2 d fdA |"G"{Bc} B2 A B2 d |"D" fgf"A7" fed |"D" DDD D2 F | A2 d fdA | 
"Em" Bgf"A7" e<ac |"D" d3 d2 :: fg |"D"{g} a2 f dfa | dfa afd |"Em" b2 g egb | egb"A7" bge | 
"D"{g} a2 f dfa | dfa afd |"Em" Bgf"A7" e<ac |"D" d3 d :|  