What is true of it
F9 is F, A, C, E♭ and G — 1, 3, 5, b7 and 9 counted from F.
On an instrument that cannot reach all 5, the 5 and 1 go first, in that order.
F9 is F, A, C, E♭ and G — 1, 3, 5, b7 and 9 counted from F.
On an instrument that cannot reach all 5, the 5 and 1 go first, in that order.