Form a musical composition by merging the given motif and the alphabetical representation of the specific sequence.
X:1
L:1/4
M:4/4
K:F
['A G']  
X:1
L:1/4
M:4/4
K:F
 z3 C | C F/F/ F C/C/ | E F G3/2 F/ | F A c B | A G F3/2 B/ | B c d B/B/ | A G G F/F/ | F A c B | 
 A G F z |]  