Create a musical composition using the provided alphabet sequence and motif.
X:1
L:1/4
Q:1/4=110
M:4/4
K:A
['A3/2 B/ c d e a g/', 'a b a g/ e3/2 c3/2']  
X:1
L:1/4
Q:1/4=110
M:4/4
K:A
"_vb" A3/2 B/ c d | e a g/ e3/2 |"^>" c3/2 e/ d B | A A G2 | A3/2 B/ c d | e a g/ e3/2 | 
"^>" c3/2 e/ d B | B A A2 || e f g a | b a g/ e3/2 | c3/2 d/ e f | g a e2 | e f g a | b a g/ e3/2 | 
 c3/2 e/ d B | B A A2 |]  