Assemble beautiful chord progressions that enrich the melodies of the musical piece.
eg | a2 ag f2 ed | c2 ec dBAG | FAED CEAB | cAdc B2 eg || 
 a2 ag f2 ed | c2 ec dBGE | DFED CEAB | cABG A2 :: AB | 
 c2 cA EAAB | c2 cA EAAB | cAFA cAFA | dBfe e2 fg || a2 ag f2 ed | 
 c2 ec dBGE | DFED CEAB | cABG A2 :|  
X:1
L:1/8
M:4/4
K:A
 eg |"A" a2 ag"D" f2 ed |"A" c2 ec"E7" dBAG |"Bm" FAED"A/C#" CEAB |"D" cAdc"E" B2 eg || 
"A" a2 ag"D" f2 ed |"A" c2 ec"E7" dBGE |"Bm" DFED"A/C#" CEAB |"E7" cABG"A" A2 :: AB | 
"A" c2 cA EAAB | c2 cA EAAB |"F#m" cAFA cAFA |"Bm" dBfe"E" e2 fg ||"A" a2 ag"D" f2 ed | 
"A" c2 ec"E" dBGE |"Bm" DFED"A/C#" CEAB |"E7" cABG"A" A2 :|  