Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
Q:1/8=300
M:4/4
K:G
['D3 E DCB,C D2 G3 A B2']  
X:1
L:1/8
Q:1/8=300
M:4/4
K:G
"G" D3 E DCB,C | D2 E2"Em" G3 A |"G" B2 d2"D" A2 BA |"C" G2 E2 E2 GE |"G" D3 E DCB,C | 
 D2 E2"Em" G3 A |"G" B2 d2"D" A2 BA |"G" G2 G2 :|  