Compose melodies by merging the prescribed musical pattern and the supplied theme.
X:1
L:1/4
M:2/2
K:G
['G B3 d e3 d (e d)', '(a f)', 'B/G/A/B/ c/d/e/f/ g2', "g3 b c'/b/a/g/ f/g/a/f/ g e d"  
X:1
L:1/4
M:2/2
K:G
"_Brisk" G | B3 d | e3 d | (e d) (c B) | A3 B | c e g e | d3 b | (a g) (a b) | g3 :: b | 
 (a f) (g e) | d3 B | c e g B | A3 b | (c' a) (b g) | (a f) (e d) | (e a) (g f) | g3 :: d | 
 B/G/A/B/ c/d/e/f/ | g2 e2 | d B g B | A3 (d/c/) | B/G/A/B/ c/d/e/f/ | g2 e c' | b g a b | g3 :: 
 b | c'/b/a/g/ f/g/a/f/ | g e d B | c/d/e/f/ g/d/c/B/ | A3 (d/c/) | B d d g | e2 c' b | a g2 a/f/ | 
 g3 :|  