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:2/2
K:C
['BdBG- G2']  
X:1
L:1/8
M:2/2
K:C
"C" cdeg- gage | agec- cd c2 |"F" FGAc- cdcA | dcAc- cdcA |"G" BdBG- G2 A^A | BdBG- G2 AB |1 
"C" cdeg- gage | g6 ed :|2"C" cde(a a)ged | c4 g2 ^g2 |:"A" agea- ag e2 | agea- ag e2 | 
"D" dcAd- dc A2 |1 dcAd- dcAc |"G" BdBG- G2 A^A | BdBG- G2 AB |"C" cdeg- gage | g6 ^g2 :|2 
"D" dcAd- dc A2 |"F" c'4 a4 |"C" g^fg(e e)dcA |"G" GAB(e e)cBd |"C" c8 |]  