Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
Q:1/8=150
M:2/2
K:D
['FDFA dfaf gefe dcBA', 'd2 (3ABc dfAf ceBe ceBe dcBA GBEB'  
X:1
L:1/8
Q:1/8=150
M:2/2
K:D
 AG | FDFA dfaf | gefe dcBA | GBEB FADA | FADA GFED | FDFA dfaf | gefe dcBA | dfaf bgec | 
 dafa d2 :| (3ABc | dfAf ceBe | ceBe dcBA | GBEB FADA | FADA GFED | FDFA dfaf | gefe dcBA | 
 dfaf bgec | dafa d2 :|  