Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:3/4
K:Ab
['c>B A3 (3BAF E4 d>c c3 AG']  
X:1
L:1/8
M:3/4
K:Ab
 c>B |"Ab" A3 G"Db" (3BAF |"Ab" E4 d>c |"Bbm" c3 B"Eb7" AG |"Ab" A4 B>B |"Eb7" B3 E FE | 
"Ab" A4 B>B |"Eb7" B3 E FE |"Ab" A4 c>B | A3 G"Db" (3BAF |"Ab" E4 d>c |"Bbm" c3 B"Eb7" AG | 
"Ab" A4 |]  