Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/4
Q:1/4=160
M:3/4
K:A
['a/>g/ f e c B3/2 z/ c/>B/', 'f e']  
X:1
L:1/4
Q:1/4=160
M:3/4
K:A
 a/>g/ | f e c | B3/2 z/ c/>B/ | A F E | F3/2 z/ c/>e/ | f c e | B2 A | (A3 | A) z :| c/>e/ | 
 f e f | e3/2 z/ a/>g/ | f e c | e3/2 z/ f/>a/ | b f a | e2 c | (B3 | B) z a/>g/ | f e c | 
 B3/2 z/ c/>B/ | A F E | F3/2 z/ c/>e/ | f c e | B2 A | (A3 | A) z ||  