Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
M:4/4
K:G
['B2 B2', 'B2 A/A/A B2 c2 B2 A2 .G2', 'B2 ABAF .G2']  
X:1
L:1/8
M:4/4
K:G
"G" DEGA B2 B2 | BcBA B2 B2 | DEGA B2 B2 |"D7" ABAF"G" G2 G2 :|"D7" A/A/A A2 A/A/A A2 | 
 A/A/A B2 c2 B2 | A/A/A B2 c2 B2 | A2 F2"G" .G2 z2 :|"G" DB,CD"C" ECDE |"G" DCB,G,"D7" A,2 A,2 | 
"G" DB,CD"C" ECDE |"D7" DCB,A,"G" G,2 G,2 :|"^G shot" z4 B2 B2 | BcBA .B2 z2 |"^G shot" z4 B2 B2 | 
 ABAF .G2 z2 :|  