Construct a musical piece that integrates the provided motif and corresponds to the indicated musical structure.
X:1
L:1/8
Q:1/2=70
M:4/4
K:D
['de f2', 'a2 f2 bagf e2'  
X:1
L:1/8
Q:1/2=70
M:4/4
K:D
 de | f2 A2 A2 dc | BA B{c}d e2 de | f2 a2 gfed | B3 c d2 de | f2 A2 A2 dc | BA B{c}d e2 de | 
 f2 a2 gfed | B3 c d2 :: A | d>efg a2 f2 | bagf e2 A2 | defg agfe | f4 a2 A2 | defg a2 f2 | 
 bagf e2 de | f2 a2 gfed | B3 c d2 :|  