Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
M:4/4
K:E
['E2 EG BEGB egfe c3 d eccB', 'e2 ef'  
X:1
L:1/8
M:4/4
K:E
 E2 EG BEGB | egfe c3 d | eccB eccB | GBEF GF F2 | E2 EG BEGB | egfe c3 d | eccB GBec | 
 BGFA GE E2 :: edef gfga | bgeg agfe | (3cde fg afc'f | afc'f agfg | e2 ef gfga | bgeg agfe | 
 (3cde fg ac'ba | gefd e2 ef | gefd e2 ef | gefe c3 d | eccB eccB | GBEF GF F2 | E2 EG BEGB | 
 egfe c3 d | eccB GBec | BGFA GE E2 :|  