Craft a musical arrangement that integrates the provided motif and upholds the required musical structure.
X:1
L:1/8
Q:1/2=60
M:2/2
K:D
['f/g/a fd']  
X:1
L:1/8
Q:1/2=60
M:2/2
K:D
"^NB" z | f/g/a fd f/g/a fd | gecA gecA | G/F/G/A/ Gg F/E/F/G/ Ff | edAc d2 D |:  