Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
M:6/8
K:G
['', 'dBA G2', 'def gdg bgd'  
X:1
L:1/8
M:6/8
K:G
 F |: GDE GAB | deg edB | AEA c3 | eag fed | B3 dBd | g3 bgd | eab age | dBA G2 F :|2 dBA G2 f |: 
 gBc def | gdg bgd | e2 e efg | f3 fga | gBc def | gdg bgd | eab age | dBA G2 f :|2 dB A2 G ||  