Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/4
Q:1/4=102
M:3/4
K:Ab
['A G']  
X:1
L:1/4
Q:1/4=102
M:3/4
K:Ab
 A |"Ab" A G F | E2 A |"Eb" B A G |"Ab" A2 B | c B A |"Eb" G A B |"Fm" A G"Bb7" F |"Eb" E z E | 
 F E F/G/ |"Ab" A G G |"Fm" A A"Eb" B |"Ab" c z B |"Db" d c B |"Ab" A G A |"Eb" B A G |"Ab" A2 |]  