Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
M:2/4
K:D
['d>B AF A>d BG B>d Ad fd', 'ed d>B Ad f>g fe e>d ef']  
X:1
L:1/8
M:2/4
K:D
|: d>B | AF A>d | BG B>d | Ad fd | ed B/c/d/B/ | AF/A/ Ad/A/ | BG Bd/B/ | Ad f>d | ed :: d>B | 
 Ad f>g | fe e>d | ef ga | ba f/g/a/f/ | Ad ff/g/ | fe ee/d/ | ef af | ed :|  