Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
M:2/4
K:E
['B B=GA=c =c2 Be =dB^Ac B3 =g']  
X:1
L:1/8
M:2/4
K:E
 B | B=GA=c | =c2 Be | =dB^Ac | B3 =g | f=d=ce | e2 =de | =dBA=c | =c2 BA | =G>EBF/G/ | E2 e=d | 
 =d/=c/B/A/BF/=G/ | E2 z |]  