Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/4
Q:1/4=110
M:3/4
K:Ab
['A z']  
X:1
L:1/4
Q:1/4=110
M:3/4
K:Ab
 E |"Ab" A2 B | (c/>d/ e) A |"Bbm" (B"^(Ab/Eb)" A)"Eb" G |"Ab" A z (G/F/) | E3/2 E/ F/F/ | 
 (E A) E |"Db" (F d) d |"Ab/Eb" c2"Eb7" B |"Ab" A z (A/B/) | c2 c | (c B) A | 
"Bbm" (B"^(Ab/Eb)" A)"Eb" G |"Ab" (A/>B/ c) e |"Db" (d3/2 c/ B/d/ |"Ab" c3/2 B/ A/c/ | 
"Eb" B3/2 A/ G/B/ |"Ab" A) A z |"Db" d d z |"Eb" B B z |"Ab" c c e | (A/>B/ c)"Db" d | 
"Ab/Eb" c2"Eb7" B |"Ab" A2 |]  