Generate tunes according to the specified musical format and the provided motif.
X:1
L:1/8
Q:1/2=72
M:4/4
K:G
['GB GB', '(gf/e/) dc'  
X:1
L:1/8
Q:1/2=72
M:4/4
K:G
|: GB GB GB (dc/B/) | FA FA FA (cB/A/) | GB GB GB (dc/B/) | (c/B/)(A/G/) FA G2 G2 :: 
 (gf/e/) dc Bc d2 |"_NB1" gf/e/ dc Bg A2 | (gf/e/) dc (BA/G/) c2 |"_NB2" BdAB G2 G2 :|  