Create tunes by incorporating the provided motif in the specified composition structure.
X:1
L:1/8
M:3/4
K:G
['B2 z']  
X:1
L:1/8
M:3/4
K:G
 D2 | G>G G2 A>A | B>B B2 z G | AB c3 A | Ac B2 z d | d3 B e3 d | dc c4 | A2 | Fd d3 c | c2 B2 |]  