Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/4
M:3/4
K:G
['A G D']  
X:1
L:1/4
M:3/4
K:G
 D | G3/2 B/d/c/ | B A G | D c B | A2 d | e c e | d B d | e/d/ c A | G D B/G/ | d d c | B2 d | 
 e c e | d B d | e/d/ c A | G D B/G/ | d d c | B2 |]  