Design a music composition that incorporates the given motif, while maintaining the essential musical format.
X:1
L:1/8
M:2/4
K:Bb
["f'3/2 d'/ f'2 d' b2 f' b2"]  
X:1
L:1/8
M:2/4
K:Bb
 f'3/2 d'/ f'2 | d' b2 f' | b2 f b | f4 | f'3/2 d'/ f'2 | d' b2 f' | b2 f b | B4 |]  