Have a look at Cb major key signature for details. The bass clef symbols are dropped to the next position for flat-based key signatures in exactly the same way. This is to reflect the fact that all note positions on the bass clef are one line or space lower than the treble clef.įor example, on the treble clef, note C (2nd note shown) occupies the 2nd space from the top, whereas on the bass clef, the same note is the 3rd space from the top.Įqually, on the treble clef, note D (4th note shown) occupies the 2nd line from the top, whereas on the bass clef, the same note is the 3rd line from the top. The only difference between them is that the bass clef symbols are shifted down to the next line or space (and of course the note pitches are lower on the bass clef). Difference between treble and bass clef key signatureįor both the treble and bass clef, all key signature rules on this page are identical. In the next step, only those sharp positions in this particular scale will be used. The staff above is to demonstrate all possible sharp symbol positions in a key signature. Have a look at the Cb major key signature. The above rules apply to sharp-based key signatures - flat based key signatures have a similar set of rules, with the above phrase reversed. To learn more about these patterns, have a look at Learn the circle of fifths. Or if a key signature has 2 sharps, those sharps will always be F# and C#. Put another way, if you see a key signature with 1 sharp, that sharp will always be F# (the first phrase word). The other interesting thing about this phrase / pattern is that given any sharp symbol in the key signature, the symbols before that symbol will always exist.įor example, if a key signature has note B# (last phrase word / symbol), then it will always have the other 6 symbols before it.Īnother example - if a key signature has note D# (4th word / symbol), then it will always have the first 3 symbols before it. Now take the 5th note of the major scale whose tonic is G - the G major scale - this is note D (the 4th word of the phrase), and so on. Now take the 5th note of the major scale whose tonic is C - the C major scale - this is note G (the 3rd word of the phrase). Taking the 1st letter of the 1st word in the phrase - F, the 5th note of the major scale with its name as the tonic - F major scale is note C (the 2nd word of the phrase). order for key signature symbol placement is not accidental, and follows the music theory pattern called the Circle of fifths. Then the same for C# in the second position, and so on for all the words in the phrase. So if the scale contains note F#, this is always the first sharp key signature symbol shown next to the treble or bass clef in the note F staff position(top line). The key signature symbols are always shown in the same order, no matter what the order of the actual notes on the staff.įor a sharp-based key signature (like this scale), the order is easily remembered using the following phrase, whose first letters indicate the note names to be sharpened: The key signature is set of sharps or flats (never mixed) shown after the treble or bass clef on the musical staff. This is done because blues (and pentatonic scales) do not follow the 'usual' music theory rules that hold for diatonic scales, such as major and all minor varieties, which state that each note from A.G can only be used once in the scale.įor the blues scale, the half-step / semitone closeness of notes around the 4th and 5th notes usually mean it is inevitable that a note name will be used twice in the scale, so it makes sense to use the chromatic scale names for all notes.This step shows the order in which the symbols of a sharp key signature must be placed next to the treble and bass clef. Wherever possible, complex note names from the major scale are simplified to arrive at the final blues scale notes.įor example, in the Gb blues scale, the 4th note of the major scale Cb is simplified to be note B. G-flat blues scale from the G-flat major scale No. The 7th note is the octave of the tonic note, where the pattern begins to repeat itself. So for this major scale, the 5th note of the major scale is flattened from Db to C to make the blue note.īelow are those notes numbered 1 to 6 on the piano keyboard. The flattened 5th is the blue note that gives the blues scale its distinctive sound in this key. To flatten a note, just replace it with the piano key lower in pitch ie. The 2nd and 6th notes of the major scale are not used. ![]() The blues scale is made from the 1st, flattened 3rd, 4th, flattened 5th, 5th and flattened 7th notes from the major scale above. This step shows the 6 blues scale notes constructed using the major scale of the same key.
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