Craft a music piece utilizing the assigned alphabetic notation and the supplied motif.
X:1
L:1/8
M:2/4
K:Bb
['bg ec', 'AF af cA bg ec']  
X:1
L:1/8
M:2/4
K:Bb
"Bb" b2 fd |"F7" ec AF |"Eb" GB"F7" Ac |"Bb" B/A/B/c/ BB | b2 fd |"F7" ec AF |"Eb" GB"F7" Ac | 
"Bb" B2 B2 ||"F7" FA ce |"Bb" df f2 |"F7" FA ce |"Bb" df/g/ ff |"Eb" gb/g/"F7" ee |"Bb" fb/f/ dd | 
"Cm" ec"F7" BA |"Bb" [DB]2 [DB]2 ||[K:F]"C7" bg ec | bg ec |"Bb" df"C7" eg |"F" f/e/f/g/ ff | 
"C7" bg ec | bg ec |"Bb" df"C7" eg |"F" f2 f2 ||[K:Bb]"F7" ee (dc) |"Bb" dd (cB) |"F7" cc (BA) | 
"Bb" B/A/B/c/ BB |"F7" ee (dc) |"Bb" dd (cB) |"F7" cc (BA) |"Bb" B2 B2 ||"F" fc AF | af cA | 
"C7" bg ec |"F" f/e/f/g/ ff | fc AF | af cA |"C7" bg ec | f2 f2 ||"Eb" eg !>!g2 |"Bb" df !>!f2 | 
"F7" c2 de |"Bb" dc/d/ BB |"Eb" eg ge/c/ |"Bb" df fd/B/ |"F7" Fe cA |"Bb" B2 B2 |]  