Develop an original musical piece that integrates the given alphabet sequence and motif.
X:1
L:1/8
M:3/8
K:Bb
['f g2 f']  
X:1
L:1/8
M:3/8
K:Bb
 f | =eff | =efg | f>gbc | c f3 c3 c | cbcg | f g2 f | f4 ff b4 | c c2 g | b f2 f | f g2 f | f4 |]  