Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/8
M:4/4
K:Emin
['B2 B2', 'B2 B2'  
X:1
L:1/8
M:4/4
K:Emin
|: EFGA B2 B2 | c2 BA B2 B2 | A2 AB G2 G2 | FEFG E4 :: e4 d4 | ^cBcd B4 | BcBA B2 B2 | A3 B G4 | 
 GABG A2 F2 | FGAF G2 E2 | EFGA B2 B2 | c2 BA B2 B2 | A2 AB G2 G2 | FEFG E4 :|  