Compose a tune that integrates the letter-based representation of the determined musical pattern and the given melodic idea.
X:1
L:1/4
Q:1/4=210
M:3/4
K:G
['B2 G', 'g3 f3 e g e', 'G B']  
X:1
L:1/4
Q:1/4=210
M:3/4
K:G
 B A3/2 G/ | B2 G | e d3/2 B/ | d2 B/d/ | g f e | c2 A/c/ | f e d | B2 G | B A3/2 G/ | B2 G | 
 e d3/2 B/ | d2 B/d/ | g f e | c B A | G B d | g3 :: g3 | f3 | e g e | e3 | c e c | B e B | 
 A/B/ c/d/ e/f/ | e d B/d/ | g3 | f3 | e g e | d3 | c e c | B d B | A/B/ c/d/ e/f/ | g3 :: d G B | 
 d G B | d3 | G B d | g/f/ e/d/ c/B/ | A3 | c =F A | c =F A | c3 | =F A c | f/e/ d/c/ B/A/ |1 
 B2 G :|2 G3 ||  