Create a musical piece using the provided alphabetic structure and motif.
X:1
L:1/8
M:4/4
K:Eb
['', 'c2 BG FE', 'cB GB c2']  
X:1
L:1/8
M:4/4
K:Eb
 e/d/ |: c2 BG FE CD | E2 EG BG Be | c2 BG FE Cc |1 ec eG F2 Fd :|2 ec dB c2 |: cd | ef gf e2 ed | 
 cB ce f2 fg |1 ef gf e2 ed | cB GB c2 :|2 eg fg ef de | cB GB c2 c :|  