Compose chord progressions that complement the given musical piece.
[K:F] cc !>!c2 | AA !>!A2 | FA d>c | c2 B2 | BB B>A | GG G>F | EG d>c | F2 F2 :|  
X:1
L:1/8
M:2/4
K:none
[K:F]"F" cc !>!c2 | AA !>!A2 | FA d>c |"C7" c2 B2 | BB B>A | GG G>F | EG d>c |"F" F2 F2 :|  