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:D
['d Add']  
X:1
L:1/8
M:6/8
K:D
 d |"D" eff fed | eff f2 d |"G" Bdd"D" Add |"Em7" fed"A7" e2 d |"D" eff fed | eff f2 a | 
"^(G)" fed"A7" edc |"D" d3- d2 :: d |"G" Bdd"D" Add |"G" Bdd"D" A2 d |"G" dBd"Em7" ede | 
"D" faf"A7" e2 d |"G" Bdd"D" Add |"G" Bdd"D" A2 a |"^(G)" fed"A7" edc |"D" d3- d2 :|  