Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
M:2/4
K:G
['GD G>A Bd de/f/ gB', 'Bd g>f fe e/f/g/e/ dB', 'ba gg ag/a/ b2 ba ge e/f/g/e/', 'Gg g2', 'dB AB/A/ |1 G2']  
X:1
L:1/8
M:2/4
K:G
 GD G>A | Bd de/f/ | gB B/A/G/A/ | BA AB/A/ | GD G>A | Bd de/f/ | gB AB/A/ | G2 G>A :: Bd g>f | 
 fe e/f/g/e/ | dB B/A/G/A/ | BA AG/A/ | Bd g>f | fe e/f/g/e/ | dB AB/A/ |1 G2 G>A :|2 G2 Gd |: 
 gg ag/a/ | b2 ba | gg ag/a/ | b2 ba | ge e/f/g/e/ | dB g>e | dB AB/A/ |1 G2 Gd :|2 G2 G>A |: 
"^variations" G>F GA | Bd d2 | gB B/A/G/A/ | BA AB/A/ | G>F GA | Bd de/f/ | gB AB/A/ |1 G2 G>D :|2 
 G2 GB/A/ |: Gg g2 | fe e/f/g/e/ | dB AG/A/ | BA AG/A/ | Gg g2 | fe e/f/g/e/ | dB AB/A/ |1 
 G2 GB/A/ :|2 G2 GB/d/ |: gg aa | b2 ba | gg aa | b2 ba | ge e/f/g/e/ | dB g/a/g/e/ | dB AB/A/ |1 
 G2 GB/d/ :|2 G2 G>D ||  