Utilize the alphabetic system of the specified musical pattern and the supplied melodic theme to create a piece of music.
X:1
L:1/8
M:6/8
K:D
['Bdd Add', 'A2 f fef a2 f fed', 'gfg aff', 'Bdd dee']  
X:1
L:1/8
M:6/8
K:D
|: Add cdd | Bdd Add | Bdd Add | Bee edB | Add cdd | Bdd Add | Bdd cde | fec d3 :: A2 f fef | 
 a2 f fed | B2 e ede | f2 f edB | A2 f fef | a2 f fed | Add cde | fec d3 ::[K:G] G2 g gfg | 
 aff gff | G2 g gfg | aff g3 | G2 g gfg | aff gff | e2 e efg | fed e3 :: GBB Bdd | dee edB | 
 GBB Bdd | dee efg | GBB Bdd | dee edB | e2 e efg | fed e3 :|  