Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
Q:3/8=120
M:6/8
K:C
['c cBc', 'g2 a', 'f2 d', 'c c2']  
X:1
L:1/8
Q:3/8=120
M:6/8
K:C
 G G2 cBc | e2 c cBc | A2 d d2 e | f2 d BAG | G2 c cBc | e2 c cBc | BAG GAB | cde d2 c :| 
 c2 e g2 a | g2 a gec | c2 e g2 a | gfe d2 e | c2 e g2 a | g2 a gec | BAG GAB | cde d2 c :| 
 f2 d dcd | e2 c cBc | B2 c d2 e | f2 d B2 g | f2 d dcd | e2 c cBc | BAG GAB | cde d2 c :| 
 c2 c c2 a | g2 a gec | c2 c c2 a | gfe d2 e | c2 c c2 a | g2 agec | BAG GAB | cde d2 c :|  