Construct a harmonious chain of chord progressions that enhance the presented musical piece.
d2 BG DGBG | E2 BE dEBd | d2 BG DGBG | FGEc BGBc | d2 BG DGBG | E2 BE dEBE | DEGA Bdef |1 
 gedc BGBc :|2 gedc BGGE |: D3 E GABc | d2 BG DGBG | E2 BE dEBd | dBAG EFGE | D3 E GABc | 
 d2 BG DGBG | DEGA Bdef |1 gedc BGGE :|2 gedc BG"^D.C.^Schluss" gedc .B2 .A2 | G8 ||  
X:1
L:1/8
M:2/2
K:G
 d2 BG DGBG | E2 BE dEBd | d2 BG DGBG | FGEc BGBc | d2 BG DGBG | E2 BE dEBE | DEGA Bdef |1 
 gedc BGBc :|2 gedc BGGE |: D3 E GABc | d2 BG DGBG | E2 BE dEBd | dBAG EFGE | D3 E GABc | 
 d2 BG DGBG | DEGA Bdef |1 gedc BGGE :|2 gedc BG"^D.C."Bc ||"^Schluss" gedc .B2 .A2 | G8 ||  