Compose a piece using the specified musical pattern based on the alphabet notation and provided melodic motif.
X:1
L:1/8
M:4/4
K:G
['BGGB cAAc', 'd3 B/c/ dBGg ecea fdef g/f/g/a/ gB/c/']  
X:1
L:1/8
M:4/4
K:G
 G/A/ | BGGB cAAc | BGFG A/G/F/E/ DG/A/ | BGGB cAAc | dge^c d3 :| B/c/ | dBGg ecea | 
 fdef g/f/g/a/ gB/c/ | dBBB geea | fdef g2 fe | dBBB eccc | dBBB A/G/F/E/ DB/c/ | 
 dBBB e/g/f/a/ g/e/d/c/ | BAGF G3 ||  