Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
Q:3/8=120
M:6/8
K:D
['D2 A F2 A', 'd2 a (f/g/a).f']  
X:1
L:1/8
Q:3/8=120
M:6/8
K:D
 D2 A F2 A | E2 F GFE | D2 A F2 A | D2 A F2 A | BGB AFD | E2 F GFE | dcB AFA | D2 A AFD :: 
 d2 a (f/g/a).f | e2 f gfe | d2 a (f/g/a).f | d2 a (f/g/a).f | gbg faf | e2 f gfe | dcB AFA | 
 D2 A AFD :|  