Craft a musical piece that abides by the prescribed structural guidelines and the given theme.
X:1
L:1/8
M:6/8
K:G
['AFD Bcd dBG'  
X:1
L:1/8
M:6/8
K:G
 D |"G" GFG"D" AFD |"G" GFG"D" Bcd |"C" (4:3:4efge"G" dBG | ABG"D" AFD |"G" GFG"D" AFD | 
"G" GFG"D" Bcd |"C" (4:3:4efge"G" dBG |"D" AGF"G" G2 :| B/d/ | gfg bge |"D" d^cd"C" e=cA | 
"D" Bdg"G" gfg |"G" abg"D" afd |"G" gfg bge |"D" d^cd"C" e=cA |"G" Bdg dBG |"D" AGF"G" G2 :|  