Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
M:4/4
K:D
['A2 A2']  
X:1
L:1/8
M:4/4
K:D
 de | f2 A2 A2 d=c | B d3 G2 AG | F3 A d3 A | d>e f<a e2 de | f2 A2 A2 d=c | B3 G E2 AG | 
 F3 A d3 A | d>e f<e d2 cd | e2 A2 A2 ce | d3 B G>A B<d | =c>B A<G F<A G>E | F2 D2 D2 cd | 
 e2 A2 A2 ce | f2 dd A>d f<a | g>e cB A<a g>e | d6 ||  