Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/8
M:4/4
K:D
['D2 F2']  
X:1
L:1/8
M:4/4
K:D
 D2 | F2 E2 D2 D2 | F2 EE D3 D | D2 d2 B2 d2 | B2 (AF) A2 (Bc) | d2 F2 (AF)(ED) | (ED)(EF) G2 BB | 
 (A2 D)F A2 AF | E2 D2 D2 ||  