Craft a musical piece that abides by the prescribed structural guidelines and the given theme.
X:1
L:1/8
Q:1/4=100
M:4/4
K:Emin
['E2 EF G2 GE F2 (G/A/)(F/G/)', 'E2 G<A AA (G>A) (F/E/)F (G>A) FE', 'E2 (E>D) EF (G>A) GE F2 (G/A/)(F/G/)', 'E2 (A/G/A) A(A/F/) (G>A) (F/E/)F (G>A) FE'  
X:1
L:1/8
Q:1/4=100
M:4/4
K:Emin
 E2 EF | G2 GE | F2 (G/A/)(F/G/) | E2 E2 || G<A AA | (G>A) (F/E/)F | (G>A) FE | E2 E2 || (E>D) EF | 
 (G>A) GE | F2 (G/A/)(F/G/) | E2 E2 |: (A/G/A) A(A/F/) | (G>A) (F/E/)F | (G>A) FE | E2 E2 :|  