Construct a musical piece that integrates the provided motif and corresponds to the indicated musical structure.
X:1
L:1/8
M:2/4
K:Bb
['B2 Bc d2 cB dcBF']  
X:1
L:1/8
M:2/4
K:Bb
 F | B2 Bc | d2 cB | dcBF | B2 Bc | d2 cB | dcBF | BBAB | c2 BA | BGFF | BBAB | c2 BA | BGF |]  