Create a fitting sequence of chord progressions to accompany the given music piece.
"^slow..." (G,2 |: C2) z2 E2 z (C | D2) z2 FAGF | E2C2 E2FF | 
 FEDC"^accel..." DG,A,B, | C2CG, E2EG, | D2DG, DAGF | E2C2 E2FF | FEDC D4 :: 
 e2c2 e2ff | fedc dagf | e2c2 e2ff | fedc d2g2 | e2c2 e2ff | fedc dagf | 
 e2c2 e2ff | fedc d4 :: a4 f2ga | gefa g2ge | g2f2 fdgf | e2ed efg^g | 
 a4 f2ga | gefa g2ge | g2f2 fdgf | e2ed e4 :: e2ge gege | def2 fagf | 
 e2c2 e2ff | fedc d2g2 | e2ge gege | def2 fagf | e2c2 e2ff | fedc d4 :|  
X:1
L:1/16
M:2/4
K:C
"^slow..." (G,2 |:"C" C2) z2 E2 z (C |"G7" D2) z2 FAGF |"C" E2C2 E2FF | 
"G7" FEDC"^accel..." DG,A,B, |"C" C2CG, E2EG, |"G7" D2DG, DAGF |"C" E2C2 E2FF |"D7" FEDC"G" D4 :: 
"C" e2c2 e2ff |"G" fedc dagf |"C" e2c2 e2ff |"G" fedc d2g2 |"C" e2c2 e2ff |"G" fedc dagf | 
"C" e2c2 e2ff |"D7" fedc"G" d4 ::"F" a4 f2ga |"C" gefa g2ge |"G7" g2f2 fdgf |"C" e2ed efg^g | 
"F" a4 f2ga |"C" gefa g2ge |"G7" g2f2 fdgf |"C" e2ed e4 ::"C" e2ge gege |"G7" def2 fagf | 
"C" e2c2 e2ff |"G" fedc d2g2 |"C" e2ge gege |"G7" def2 fagf |"C" e2c2 e2ff |"D7" fedc"G" d4 :|  