Create harmonious chord sequences for the given musical piece.
|: A2df a2b2 | abaf a2f2 | gagf g2e2 | fgfe f2d2 | d2ef a2b2 | abaf a2f2 | 
 gagf gfef | e2d2 d4 :: eefe eefe | e2c2 A2>c2 | e2d2 B2>c2 | e2c2 A2>c2 | 
 eefe eefe | e2c2 A2>c2 | e2d2 BBcB | A2c2 A4 ::[K:G] d4 d4 | e4 e4 | 
 f2gf e2f2 | g6 Bc | d2B2 e2>d2 | d2c2 cBAB | c2A2 f2>e2 | e2d2 dcBc | d4 d4 | 
 e4 e4 | f2gf e2f2 | g6 Bc | d2B2 e2>d2 | d2c2 cBAB | cBAB cdef | g2g2 g4 :|  
X:1
L:1/16
M:2/4
K:D
|:"D" A2df a2b2 | abaf a2f2 |"A7" gagf g2e2 |"D" fgfe f2d2 |"D" d2ef a2b2 | abaf a2f2 | 
"A7" gagf gfef | e2d2"D" d4 ::"A" eefe eefe | e2c2 A2>c2 |"E7" e2d2 B2>c2 |"A" e2c2 A2>c2 | 
"A" eefe eefe | e2c2 A2>c2 |"E7" e2d2 BBcB |"A" A2c2 A4 ::[K:G]"D7" d4 d4 |"C" e4 e4 | 
"D7" f2gf e2f2 |"G" g6 Bc | d2B2 e2>d2 |"C" d2c2 cBAB |"D7" c2A2 f2>e2 |"G" e2d2 dcBc |"G7" d4 d4 | 
"C" e4 e4 |"D7" f2gf e2f2 |"G" g6 Bc | d2B2 e2>d2 |"C" d2c2 cBAB |"D7" cBAB cdef |"G" g2g2 g4 :|  