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:6/8
K:D
['', 'B A2 d dcd B2 e e2', 'd3 d2']  
X:1
L:1/8
M:6/8
K:D
 B |: A2 d dcd | B2 e e2 d | c2 a a^ga | f2 d d2 B | A2 d dcd | B2 e e2 d | c2 a gfe |1 d3 d2 B :|2 
 d3 d2 e |: f2 f def | g3 g2 f | e2 e cde | f3 f2 e | d2 d def | g2 B e2 d | c2 a gfe |1 
 d3 d2 e :|2 d3 d2 B ||  