Create tunes by incorporating the provided motif in the specified composition structure.
X:1
L:1/8
M:2/4
K:D
['B2 cd']  
X:1
L:1/8
M:2/4
K:D
|: A | d2 fa e2 f>e | d2 f2 e/e/ d/d/ A | B2 cd AB cd | f2 e^d e2 a/g/f/e/ | d2 fg e2 f>e | 
 d2 f2 e/e/ dd A | B2 cd AB cd | f2 e>f d2 d>c | B2 cd A2 cd | G2 A>G DF A2 | B2 cd d2 cd | 
 f2 e^d e2 a/g/f/e/ | d2 fa e2 f>e | d2 f2 e/e/ dd A | B2 cd AB cd | f2 e>f d4 :|  