Craft a composition that integrates the assigned alphabet-related musical pattern and the provided melodic theme.
X:1
L:1/8
M:6/8
K:G
['Bdd GBB DGG B,2 D B,DD GBB', 'd bgg dgg |1 g>f^e f2 g', 'bgg dgg', 'dff edd d2 :|2 gee e3 ecc']  
X:1
L:1/8
M:6/8
K:G
 Bdd GBB | DGG B,2 D | B,DD GBB | G>F^E F2 =E | DFF FAA | Acc c2 A |1 d>ff f<dd | cB^A B2 :|2 
 dff f^ef | a>gf g2 || bgg dgg | bgg e2 d | bgg dgg |1 g>f^e f2 g | aff dff | a^ga f2 e | 
 d>ff d<fa | c'b^a b2 :|2 g>e^d e2 f | gcc Gcc | DGG Bdd | dff f^ef | a>gf g2 || Bdd GBB | 
 DGG B,DD | B,DD GBB | GFF F2 E | DFF FAA | Acc cdd |1 dff fdd | cBB B2 :|2 dff fef | agg g2 || 
 bgg dgg | bgg edd | bgg dgg |1 gff f2 g | aff dff | a^ga fed | aff dff | edd d2 :|2 gee e3 | 
 ecc Gcc | DGG Bdd | dff fef | agg g2 ||  