Construct chordal sequences to boost the harmonious coherence within the specified musical piece.
D | D>GG GFG | AcB AGF | GAB dcB | AcB AGF | G>AB E>FG | 
 DEF G2 :| c | B>dd d>Bd | e>ce d2 c | B>GB dBd | e>de d2 c | 
 B2 G BAG | AcB AGF | GAB dcB | AcB AGF | G>AB E>FG | 
 DEF G2 |]  
X:1
L:1/8
Q:3/8=100
M:6/8
K:G
 D |"G" D>GG GFG |"Am" AcB"D7" AGF |"G" GAB"Em" dcB |"Am" AcB"D7" AGF |"G" G>AB"C" E>FG | 
"D7" DEF"G" G2 :| c |"G" B>dd d>Bd |"C" e>ce"D7" d2 c |"G" B>GB dBd |"A7" e>de"D7" d2 c | 
"G" B2 G BAG |"Am" AcB"D7" AGF |"G" GAB"Em" dcB |"Am" AcB"D7" AGF |"G" G>AB"C" E>FG | 
"D7" DEF"G" G2 |]  