Create a musical composition incorporating the given motif following the designated alphabetical pattern.
X:1
L:1/8
M:2/4
K:C
['A G']  
X:1
L:1/8
M:2/4
K:C
 e2 e e | g2 c c | d c A c | d4 | e c2 c | d3 A | G A G E | G4 |]  