Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
Q:1/4=72
M:2/4
K:F
['CF FF G/A/F/G/ A>A c GB A>G']  
X:1
L:1/8
Q:1/4=72
M:2/4
K:F
|:"F" CF FF | G/A/F/G/ A>A | c B/A/"C" GB |"F" A>G F2 :|  