Craft songs that comply with the predetermined chord transitions.
'A', 'D', 'A', 'D', 'A', 'D', 'D', 'A', 'A', 'D', 'D', 'G', 'D', 'A', 'D', 'A', 'D', 'A', 'D', 'A', 'D', 'D', 'A', 'D', 'D', 'G', 'D', 'A', 'D'  
X:1
L:1/8
M:2/4
K:D
"^A" A2 | B2 =c2 |:"A" ^cc BA | cc BA |"D" dd BA | dd BA |"A" z c cB | A B2 A |1"D" A B2 A | 
 F3 A :|2"A" G F2 E |"D" DF FG ||"^B""D" A F2 G | A F2 A |"A" G E3 | z E EF |"A" G E2 F | G c2 B | 
"D" A4 | z FFG |"D" A F2 G | A d2 c |"G" c B3 | z B BB |"D" A F2 A |"A" G F2 E |"D" D2 A2 | 
 B2 =c2 ||"^A" z2 | z4 |:"A" z .[EAc] z .[EAc] | z .[EAc] z .[EAc] |"D" z .[FAd] z .[FAd] | 
 z .[FAd] z .[FAd] |"A" z .[EAc] z .[EAc] | z .[EAc] z .[EAc] |1"D" z .[FAd] z .[FAd] | 
 .[FAd] z z2 :|2"A" z .[EAc] z .[EAc] |"D" .[FAd] z z2 ||"^B""D" z .[FA] z .[FA] | 
 z .[FA] z .[FA] |"A" z .[EA] z .[EA] | z .[EA] z .[EA] | z .[EA] z .[EA] | z .[EA] z .[EA] | 
"D" z .[FA] z .[FA] | z .[FA] z .[FA] |"D" z .[FA] z .[FA] | z .[FA] z .[FA] |"G" z .[GB] z .[GB] | 
 z .[GB] z .[GB] |"D" z [FA]- [FA].[FA] |"A" z [EA]- [EA].[EA] |"D" .[FA] z z2 | z4 ||  