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:F
['c cAFFEG GcBBAF EGFEGF GA=B c2 c']  
X:1
L:1/8
M:6/8
K:F
 c | cAFFEG | GcBBAF | EGFEGF | GA=B c2 c | c2 dc=BA | Gdffec | f2 c_edB | ABG F2 |]  