Develop a tune according to the designated alphabetic musical pattern and the provided melody.
X:1
L:1/8
Q:1/2=90
M:2/4
K:D
['AGFG A2 d2 BGde dcBA defe B2', 'd4 f2 (df) agfe e2 (ce) aedc']  
X:1
L:1/8
Q:1/2=90
M:2/4
K:D
 AGFG A2 d2 | BGde dcBA | defe B2 (cd) | efge dcBA | AGFG A2 d2 | BGde dcBA | defe B2 g2 | 
 fdec d4 :: f2 (df) agfe | e2 (ce) aedc | defd B2 cd | efge dcBA | AGFG A2 d2 | BGde dcBA | 
 defe B2 g2 | fdec d4 :|  