Develop well-balanced harmonic arrangements to enrich the provided music piece.
|: dd d2 | BB c2 | BB GA |1,3 B2 B z :|2,4 G2 G z :: GG A2 | BB c2 | 
 BB GA |1,3 B2 B z :|2,4 G2 G z :|  
X:1
L:1/8
M:2/4
K:G
|:"G" dd d2 | BB"C" c2 |"G" BB"D7" GA |1,3"G" B2 B z :|2,4"G" G2 G z ::"G" GG"D" A2 |"G" BB"C" c2 | 
"G" BB"D7" GA |1,3"G" B2 B z :|2,4"G" G2 G z :|  