Construct a musical arrangement that blends the supplied motif while maintaining the specified alphabetical order.
X:1
L:1/4
M:4/4
K:Bb
['d c']  
X:1
L:1/4
M:4/4
K:Bb
 F | B F B c | d c B z | c3/2 B/ c d | e d c B | e2 d/e/ d | c z2 e | d f f d | c d e c | B d f d | 
 c/c/ d e c/c/ | B2 c2 | d3/2 e/ f e/e/ | d2 c2 | B z2 e | d f f d | c d e c | B d f d | 
 c/c/ d e c/c/ | B2 c2 | d3/2 e/ f e/e/ | d2 c2 | B z2 |]  