Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/8
M:3/4
K:D
['e2 BA', 'D6 E3 F G2 (A B2) (G', 'e2 BA', 'f2 ga gf'  
X:1
L:1/8
M:3/4
K:D
|: e2 BA GE | G3 A3 | e2 BA GE | G6 | e2 BA GE | G3 A3 | e2 BA GE | D6 :| E3 F G2 | (A B2) (G E2) | 
 E2 D E3 |: e2 BA GE | G3 A3 | e2 BA GE | G6 | e2 BA GE | G3 A3 | e2 BA GE | D6 :: f2 ga gf | 
 e3 f3 | f2 ga gf | e6 | f2 ga gf | e3 f3 | e2 fe dB |1 d6 :|2 (d6 | d6) ||  