Create musical pieces following the given structure and incorporating the suggested musical concept.
X:1
L:1/8
Q:1/4=140
M:3/4
K:Dmix
['e3 d', 'D4 DE G4 GA B d3 B/A/G'  
X:1
L:1/8
Q:1/4=140
M:3/4
K:Dmix
 gf | e3 d e2 | e3 d c2 | d3 B AG | G A3 BA | G4 E2 | E4 DE | D6- | D4 :| DE | G4 GA | B d3 B/A/G | 
 A4 AG | FE D2 BA | G4 E2 | E4 DE | D6- | D4 :|  