Create musical pieces by following the given structure and incorporating the supplied motif.
X:1
L:1/8
Q:1/2=90
M:2/2
K:A
['cd ecBA a2 (gf) ecBA B2 (AB)', 'B2 GA BGFE d2 (cB) Acef =g2', 'agf g2 d B2 G cde dcB', 'G A2 B cBA G2 A B2'  
X:1
L:1/8
Q:1/2=90
M:2/2
K:A
|: cd | ecBA a2 (gf) | ecBA B2 (AB) | cA- AB/c/ defg | aedc B2 :: GA | BGFE d2 (cB) | 
 Acef =g2 (fe) | fa^gb e2 d2 | cB/A/ BA/G/ A2 ::[M:6/8][K:G][Q:3/8=120] gab agf | g2 d B2 G | 
 cde dcB | (AB)G F2 D | G2 B- B^cd | ^cde cAc | def ge^c | d3 d3 :: D2 E F2 G | A2 B cBA | 
 G2 A B2 c | d2 e =fed | e2 f gag | fdB c2 e | dcB cAF | G3 G3 :|  