Compose a musical piece in accordance with the outlined theme and structure.
X:1
L:1/8
M:6/8
K:G
['(BG)G (DG)G (BG)B dcB', 'G2 (g/a/) (bg)g (dg)g (bg)b bag (af)f'  
X:1
L:1/8
M:6/8
K:G
 (d/c/) | (BG)G (DG)G | (BG)B dcB | (cA)A (EA)A | (cA)c edc | (BG)G (DG)G | (BG)B dcB | 
 (cB)c A(dc) | (BG)G G2 :| (g/a/) | (bg)g (dg)g | (bg)b bag | (af)f (df)f | (af)a agf | 
 (eg)g (dg)g | (cg)g (Bg)g | (cB)c A(dc) | (BG)G G2 |]  