Construct a musical piece using the designated motif and sticking to the alphabetical form presented.
X:1
L:1/8
M:2/4
K:Bb
['F B2 c2']  
X:1
L:1/8
M:2/4
K:Bb
 F | B2 c2 | d2 cd | edcB | c3 F | B2 c2 | d>efe | dBcA | B2 z c | c2 c2 | AGFd | d2 d2 | BAGG | 
 edcB | A3 c | BGA^F | G2 z |]  