Develop a musical composition by integrating the alphabetically represented musical pattern and the supplied melodic theme.
X:1
L:1/8
M:4/4
K:C
['A,DD DCD', 'FDF ABG A2', 'Add Add fdf', 'GEB, =CEF']  
X:1
L:1/8
M:4/4
K:C
[M:9/8][K:D] gu_f[Q:1/8=280] A,DD A,DD FEF | A,DD DFA GE=C | A,DD DCD FDF | GAG E=CE GE^C | 
 A,DD DCD FEF | A,DD DFA GE=C | A,DD DCD FEF | GAG E=CE GFE || FDF ABG A2 G | FDF ABc dAG | 
 FDF ABG A2 F | GFG E=CE GFE | FDF ABG A2 G | FDF ABc dAG | FED dcB A2 F | GFG E=CE GFE || 
 Add Add fdf | Add dfa gec | Add Add fdf | gag ece gec | Add Add fdf | Add dfa gec | Add dcd fdf | 
 gag ece gfe || dfd cec d2 B | AFD DED AFD | GBd d=cB cBc |1 GEB, =CEF GED :|2 GEB, =CEF GE^C ||  