Compose a tune that integrates the letter-based representation of the determined musical pattern and the given melodic idea.
X:1
L:1/8
M:4/4
K:Ador
['e2 a2', 'BG/B/ AG A2']  
X:1
L:1/8
M:4/4
K:Ador
|: E2 A2 ABcd | e2 a2 g e2 d | c2 ce dBGA | B2 AB/A/ GEED | E2 A2 ABcd | e2 a2 g e2 d | 
 c2 ce dBGA |1 BG/B/ AG A2 AG :|2 BG/B/ AG A2 A/B/c/d/ |: e2 a2 a2 ga | a2 a2 geeg | d2 de gfga | 
 gede ga/g/ fg | e2 a2 a2 ga | a2 a2 geed | c2 ce dBGA |1 BG/B/ AG A2 A/B/c/d/ :|2 
 BG/B/ AG A2 A2 ||  