Generate tunes according to the specified musical format and the provided motif.
X:1
L:1/8
M:2/4
K:Gmin
['G G'  
X:1
L:1/8
M:2/4
K:Gmin
|:"Gm" D G G G |"D7" A ^F/G/ A G |"D7" ^F A z A |"Gm" B A G2 ::"Bb" d2 B2 | d c/d/ c B | 
"F" A c"^(D7)" z c |"Bb" d c B2 :|  