Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
M:4/4
K:Emix
['B3 c BAGA', 'e3 f eB B2 eBeg a2 ge'  
X:1
L:1/8
M:4/4
K:Emix
|: B3 c BAGA | B2 E2 BcdB | d3 c dcBA | GA A2 ABcA | B3 c BAGA | BABd e3 c | d2 ed efe(d | 
 d)Adf e2 z2 :: e3 f eB B2 | eBeg a2 ge | d3 c dcBA | GA A2 ABcf | e3 f eB B2 | eBeg a2 ge | 
 d3 c dcBA | cBdf e2 z2 :|  