Construct chordal sequences to boost the harmonious coherence within the specified musical piece.
F3 | A2 d | e3 | B3 | c2 B | A2 G | F3- | F2 z | F2 A | d2 d | e3 | 
 B2 B | c2 A | f2 e | d3- | d2 z |]  
X:1
L:1/4
Q:1/4=140
M:3/4
K:D
"D" F3 | A2 d |"Em/G" e3 |"Em" B3 |"A" c2 B | A2 G |"D" F3- | F2 z | F2 A | d2 d |"Em/G" e3 | 
"Em" B2 B |"A" c2 A | f2 e |"D" d3- | d2 z |]  