Generate tunes according to the specified musical format and the provided motif.
X:1
L:1/8
Q:1/8=100
M:4/4
K:G
['GB GB', 'gf/e/ dc', 'g/f/g/f/ ed G/A/B/c/'  
X:1
L:1/8
Q:1/8=100
M:4/4
K:G
 (3(D/E/F/) | GB GB | GB c/B/A/G/ | FA FA | FA d/c/B/A/ | GB GB | GB d>B | c/B/A/G/ F/G/A/c/ | 
 BG G :: (3(d/e/f/) | gf/e/ dc | Bc d>B | gf/e/ dc | Bd A>d | gf/e/ dc | Bc d>B | 
 c/B/A/G/ F/G/A/c/ | BG G ::"^Alternative B strain" (3(d/e/f/) | g/f/g/f/ ed | G/A/B/c/ d>f | 
 g>f ed | ea a>f | g/f/g/f/ ed | G/A/B/c/ d>B | c/B/A/G/ F/G/A/c/ | BG G :|  