Its key signature has seven flats and one double flat.

Prior Court consists of 18 single and 6 double flats which are designed to accommodate people who need regular support.

C to B double flat (the same note as A) is a diminished 7th.

Most are extremely fragrant, repeat bloomers with moderately double flat flowers.

In a case where one needs to cancel a double sharp or double flat, it is acceptable to write a single natural.

He also found difficulty in transposing notes such as double sharps and double flats.

So C to D double flat.

Be B double flat.

There are also double sharps (the sign looks like an x) and double flats (two flat signs).

C to A would be A double flat which would on a keyboard be a G.

Double sharps and double flats should always be replaced by their enharmonic equivalents in harp writing.

The note A flat is shown in musical notation in Figure 1, together with A double flat.

F-flat major (1 double flat)

C-flat minor (3 double flats).

The symbol for a double sharp is x and the symbol for a double flat is .

D-flat minor (1 double flat)

F-flat minor (4 double flats)

G-flat minor (2 double flats)

A diminished fourth would be diminished F double flat which would be played as an E flat.

Two other modifiers are double sharps, which raise the note a whole step, and double flats, which lower the note a whole step.

Sometimes the five "double flat" notes and five "double sharp" notes are replaced by half sharps and half flats, similar to the quarter tone system:

The mesmerizing étude Mr. Hamelin mentions is studded with double sharps and double flats, sprawling illegibly over as many as four staffs at once.

Notes such as double sharps and double flats are written at the pitch they are actually played at, but preceded by symbols called history signs that show they have been transposed.

Double sharps, and double flats (and optionally B and E sharps, and F and C flats) are written at the pitch at which they are actually played.

Colony houses were built as double flats, upper and lower, with the upper flat's front door on the opposite side to the lower flat's front door, allowing each flat to have a front garden.