Develop harmonious chord sequences that enhance the given music composition.
f | d2 A AFA | B2 A AFA | d2 A AGF | EFE ABc | d2 A AFA | B2 A ABc | 
 dgf eac | d3 d2 :| f/g/ | afd dfa | gec ceg | fed dcd | ecA A2 f/g/ | 
 afd dfa | gec ceg | fad eac | d3 d2 |] f/g/ | afd dfa | 
 gec ceg | fed dcd | ecA A2 G | FAd FAd | GBd GBd | Agf eac | 
 d3 d2 |]  
X:1
L:1/8
M:6/8
K:D
 f |"D" d2 A AFA |"D" B2 A AFA |"D" d2 A AGF |"Em" EFE"A7" ABc |"D" d2 A AFA |"G" B2 A"A" ABc | 
"Bm" dgf"A7" eac |"D" d3 d2 :| f/g/ |"D" afd dfa |"G" gec"A7" ceg |"D" fed dcd |"A7" ecA A2 f/g/ | 
"D" afd dfa |"G" gec"A7" ceg |"D" fad"A7" eac |"D" d3"A7" d2 |] f/g/ |"D" afd dfa | 
"G" gec"A7" ceg |"D" fed dcd |"A7" ecA A2 G |"D" FAd FAd |"G" GBd GBd |"D" Agf"A7" eac | 
"D" d3 d2 |]  