Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/4
Q:1/2=90
M:2/2
K:C
['g f']  
X:1
L:1/4
Q:1/2=90
M:2/2
K:C
 C/ |[K:D]"^air for violin + piano duet" d e/ f d | g f e d | f3/2 g/ a f | b a g f | a3/2 a/ a a | 
 b a g f | g g g g | a g f e | a3/2 a/ b3/2 b/ | a A d2 | b3/2 b/ a f | g e d2 |]  