Produce a musical arrangement that complies with the dictated structure and the suggested theme.
X:1
L:1/8
M:3/4
K:Bb
['f2 ed ce']  
X:1
L:1/8
M:3/4
K:Bb
 FB d2 d2 | Ac e3 d | Bd d2 d2 | ce c2 B2 | Bd f2 ed | ce g3 f | df f2 ed | ce c2 B2 |]  