Compose a chordal backing that synchronizes seamlessly with the existing melody.
|: [DF]/[FB]/[Bd]/ |[M:3/4] [df] z/ [df]/ [df] | [df] [Bd] [FB] |[M:2/4] [FA] [Ac] | 
 [cf] [Ac] | [FA] [Ac] |[M:3/4] [Af] z/ [Af]/ [Af] | [Af] [Fe] [EA] |[M:2/4] [DB] [Fd] | 
 [Bf] [Fd] | [DB] [Fd] |[M:3/4] [df] [df]/[df]/ [df]/[df]/ | [df] [Bd] [FB] | 
[M:2/4] [FA] [Ac] | [cf] [Ac] | [FA] [Ac] |1[M:3/4] [cf] [cf]/[cf]/ [cf]/[cf]/ | 
 [cf] [Ae] [FA] | [DB] z/ :|2[M:3/4] [cf] [cf]/[cf]/ [cf]/[cf]/ | [ca] [eg] [ea] | 
 [db] z/ :|  
X:1
L:1/4
M:none
K:Bb
|: [DF]/[FB]/[Bd]/ |[M:3/4]"Bb" [df] z/ [df]/ [df] | [df] [Bd] [FB] |[M:2/4]"F7" [FA] [Ac] | 
 [cf] [Ac] | [FA] [Ac] |[M:3/4]"F7" [Af] z/ [Af]/ [Af] | [Af] [Fe] [EA] |[M:2/4]"Bb" [DB] [Fd] | 
 [Bf] [Fd] | [DB] [Fd] |[M:3/4]"Bb" [df] [df]/[df]/ [df]/[df]/ | [df] [Bd] [FB] | 
[M:2/4]"F7" [FA] [Ac] | [cf] [Ac] | [FA] [Ac] |1[M:3/4]"F7" [cf] [cf]/[cf]/ [cf]/[cf]/ | 
 [cf] [Ae] [FA] |"Bb" [DB] z/ :|2[M:3/4]"F7" [cf] [cf]/[cf]/ [cf]/[cf]/ | [ca] [eg] [ea] | 
"Bb" [db] z/ :|  