Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
M:12/8
K:D
['', 'f2 e', 'f/g/af gfe']  
X:1
L:1/8
M:12/8
K:D
 dB |: A3 DFA BAF AFG | AdB AFA d3 d2 e | f3 g2 f e/f/ge d2 B |1 AFF DFD EFE EFG :|2 
 Aaa f2 e d3 d2 e |: f2 e f2 e f2 e fga | AdA BAF A3 ABd | e3 e2 e efe efg |1 
 f/g/af gfe d3 d2 e :|2 f/g/af gfe dfe dcB ||  