Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/8
M:3/4
K:D
['(3ABc d2 f2 A2 a4 f2 gb']  
X:1
L:1/8
M:3/4
K:D
 (3ABc | d2 f2 A2 | a4 f2 | gb e4 | c2 e2 A2 | g4 (3ege | f4 (3ABc | d2 f2 A2 | a4 f2 | gb e4 | 
 c2 e2 A2 g4 ec | d4 ::  