Construct a harmonious chain of chord progressions that enhance the presented musical piece.
.F !>!F2 | .A !>!A2 | c A F | c A F | C z C/C/ | C z z"^A" |: F E F | .A C2 | F E F | 
 A c2 | c =B c | .e !>!G2 | B A B |1 d A/c/ F :|2 F z G/G/ |:[K:C]"^B" G z f | 
 e z B | d z c | e z G | E z D | B z A | G z C | E2 G/G/ | G2 f | e2 B | d2 c | 
 e2 G | E2 D | G2 B | (c3 |1 c) z G/G/ :|2 c z c |:[K:F]"^C" d z c | F z A | c z B | 
 E z c | e z d | G z B | f z c | A z c | d2 c | F2 A | c2 B | E2 c | e2 d | B2 E | F3 |1 
 C z c :|2 F z z |]  
X:1
L:1/4
M:3/4
K:F
"F" .F !>!F2 | .A !>!A2 | c A F | c A F |"C7" C z C/C/ | C z z"^A" |:"F" F E F | .A C2 | F E F | 
 A c2 |"C7" c =B c | .e !>!G2 | B A B |1"F" d A/c/ F :|2"F" F z G/G/ |:[K:C]"^B""G7" G z f | 
 e z B |"C" d z c | e z G |"G7" E z D | B z A |"C" G z C | E2 G/G/ |"G7" G2 f | e2 B |"C" d2 c | 
 e2 G |"G7" E2 D | G2 B |"C" (c3 |1 c) z G/G/ :|2 c z c |:[K:F]"^C""F" d z c | F z A |"C7" c z B | 
 E z c | e z d | G z B |"F" f z c | A z c | d2 c | F2 A |"C7" c2 B | E2 c | e2 d | B2 E |"F" F3 |1 
 C z c :|2 F z z |]  