Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
M:4/4
K:D
['FDAD BDAD', 'gfef defe dAFA |1 GFEF GABc :|2'  
X:1
L:1/8
M:4/4
K:D
|: FDAD BDAD | FDAD FGAG | FDAD BDAD |1 GFEF GABG :|2 GFEF GABc |: defe d2 Ad | edef gfef | 
 defe dAFA |1 GFEF GABc :|2 GFEF GABG ||  