Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/8
M:12/8
K:Emin
['', 'e f2 d', 'f2 d B^cd e3'  
X:1
L:1/8
M:12/8
K:Emin
 d |: B2 E EFE d3 A2 G | F2 D DED F2 G A2 c | B2 E EFE d2 d e2 f |1 g2 e f2 d e3 ef/e/d :|2 
 g2 e f2 d e3 ed/e/f |: gfe b2 e gfe b2 e | f2 d A2 g f2 g a2 f | gfe b2 e gfe b2 e |1 
 f2 d B^cd e3 ed/e/f :|2 f2 d B^cd e3 ef/e/d ||  