Design agreeable chord sequences that suit the presented tune
"^A" gc' | bbb2 a2B2 | c6 (3(cea) | g2 f4 (3(Bdg) | .f2 !>!e4 gc' | bbb2 a2B2 | 
 c6 (3(e^de) | a^gab c'2a2 | g2g2 g2e2 |]"^B" f2Bc d^cd^d | eBca g2e2 | 
 gfef defg | ag^fg e2e2 | f2Bc d^cd^d | eBca g2e2 | gfef defg | c2c'2 c2 z2 |: 
[K:F]"^C" c=bc'^g aefA | =Bc_BG e2d2 | dBEG C2ag | gfAc F2AB | c=bc'^g aefA | 
 =Bc_BG b2a2 | ag=Bc feag | f2f2 f2"_Fine" z2 :|[K:C]"^D" G2Bd b2a2 | 
"^tr" a2g2 eee2 | g2 !>!f4 B2 | d2c2 cgec | G2Bd b2a2 |"^tr" a2g2 eee2 | 
 g2f2 Gfed | c2c2 c2"_>Teil C" z2 |]  
X:1
L:1/16
M:2/4
K:C
"^A" gc' |"G7" bbb2 a2B2 |"C" c6 (3(cea) |"G7" g2 f4 (3(Bdg) |"C" .f2 !>!e4 gc' |"G7" bbb2 a2B2 | 
"C" c6 (3(e^de) |"D7" a^gab c'2a2 |"G" g2g2 g2e2 |]"^B""G7" f2Bc d^cd^d |"C" eBca g2e2 | 
"G7" gfef defg |"C" ag^fg e2e2 |"G7" f2Bc d^cd^d |"C" eBca g2e2 |"G7" gfef defg |"C" c2c'2 c2 z2 |: 
[K:F]"^C""F" c=bc'^g aefA |"C7" =Bc_BG e2d2 | dBEG C2ag |"F" gfAc F2AB | c=bc'^g aefA | 
"Gm" =Bc_BG b2a2 |"C7" ag=Bc feag |"F" f2f2 f2"_Fine" z2 :|[K:C]"^D""G7" G2Bd b2a2 | 
"^tr""C" a2g2 eee2 |"G7" g2 !>!f4 B2 |"C" d2c2 cgec |"G7" G2Bd b2a2 |"^tr""C" a2g2 eee2 | 
"G7" g2f2 Gfed |"C" c2c2 c2"_>Teil C" z2 |]  