Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:4/4
K:C
['AGAB cBcd', 'efec d2'  
X:1
L:1/8
M:4/4
K:C
 BEA |[M:4/4][K:A]SOSOO .!fermata!PMTuCO ME2 | AGAB cBcd | efeA d2 (ge) | (3ddd ge (3ddd ge | 
 dcBA G2 G2 | AGAB cBcd | efec d2 (ge) | dBGB dedB | c2 A2 A2 :| d2 | efec d2 g2 | efec d2 g2 | 
 (3ffg af dg g2 |3 ffg af d2 (ga) | bagf efga | bagf efga | baga bagf | (ed)ef g2 (fg) | 
 efec d2 g2 | efed c2 (Bc) | ABcd gfge | dcBA G2 G2 | AGAB cBcd | efec d2 (ge) | dBGB dedB | 
 c2 A2 A2 |]  