Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
M:6/8
K:D
['f2 a gfe f2 d B2 B', 'dcd e3 efg a3 a2 f g2'  
X:1
L:1/8
M:6/8
K:D
 f2 a gfe | f2 d B2 B | AFA faf | e3 e2 e | f2 a gfe | f2 d B2 B | AFA fae | d3 dcd || e3 efg | 
 a3 a2 f | g2 g A2 A | g3 g2 e | f2 a gfe | f2 d B2 B | AFA fae | d3 d3 ||  