Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
M:2/2
K:G
['G2 Bd gdBG DEGB AE E2 GABd', 'fgag fdde', 'E2 G2 Bd gdBd |1 ecAc BGEF', 'fgag fd d2', 'f gbag fdde fd d2 ABcd e3']  
X:1
L:1/8
M:2/2
K:G
 G2 Bd gdBG | DEGB AE E2 | GABd gdBd |1 cBAc BGGF :|2 cBAc BG G2 || fgag fdef | gfga bgeg | 
 fgag fdde | fdef g3 f | gbaf gbag | fgag fdde | fded fded | (3Bcd ef gedB ||"^variations" |: 
 GABd gdBG | DEGB AE E2 | G2 Bd gdBd |1 ecAc BGEF :|2 ecAc BGGe || fgag fd d2 | g3 a bgeg | 
 fgag fd d2 | edef g2 ef | gbaf g3 f | gbag fdde | fd d2 ABcd | e3 f gedB ||  