Design a musical creation that involves the supplied motif and respects the established alphabetical structure.
X:1
L:1/8
Q:1/4=100
M:4/4
K:D
['B3 ^c d2', 'ag f3 g a2 z A (de)']  
X:1
L:1/8
Q:1/4=100
M:4/4
K:D
 de{d} f2 A>B{B} A3 d |{=c} (BA) (Bd){f} e2 de | f2 A2 gf (ed) |{c} B3 ^c d2 (de) | f2 A>B A3 d | 
 BA Bd e2 (de) |{d} f2 A2 (gf) (ed) |{=c} B3 ^c d2 || z A | de fg{g} a3 a | (ba) (gf) e3 A | 
 de fg ab ag | f3 g a2 z A | (de) (fg) a2 (fa) | ba gf e2 de | f2 A2 (gf) (ed) | 
{=c} B3 ^c/{e} d2 ||  