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A keysignature signifies a scale: each key signature shows for its corresponding major scale, how many notes that scale is different from C major scale (the scale that consists of white keys only). In songs and compositions: the keysignature is always mentioned at the beginning of the staff next to the clef. Musicians this way know immediately which key a song is written in (in other words: which scale was used), cause the keysignature shows which and how many black keys are used in the song. (which scale) F# C# G# D# A# E# B# order of #’s (sharps) 1)Memorize this order of #’s line. 2)Apply following trick (when you want to learn a transcribed song, the keysignature is a given, and you try to figure out what scale corresponds to that keysignature):last # in line go up a ½ step from there = the key 3)Apply following trick (when in a jam session with musicians, somebody names a key, and you try to figure what the keysignature is… meaning: how many white/black keys and which ones they are). 4)Go over the line of #’s count #”s up to the sharp that is a ½ step lower than the key you are looking for 5)Example 1: 3 #’s they are F#, C# and G# last # in line is G# up a ½ step = A (major scale. Conclusion: A major scale has 3 sharps (meaning: black keys… F#, C# and G#.) Example 2: Key of A order of #’s is… F#... C#... G#... bingo this is the sharp a ½ step lower than the key. Conclusion: A major scale has 3 #’s 6)You use the order of #’s for scales that start on WHITE keys: G major, D major, A major, E major, B major and 2 exceptions: F# major and C# major scales Bb Eb Ab Db Gb Cb F(b) Order of b’s (flats) 1)Memorize this order of b’s line. 2)Apply following trick: (when you want to learn a transcribed song where the keysignature is a given, and you try to figure out what scale corresponds to that keysignature): the one before the last b in line = the key 3)Apply following trick (when in a jam session with musicians, somebody names a key, and you try to figure what the keysignature is (how many and which white/black ) go up to the b with the same name of the key go 1 flat further (add the next flat) 4)Example 1: 2 b’s they are Bb and Eb the one before the last b in line is Bb= the key (scale). Conclusion: Bb major scale has 2 flats (meaning: black keys… Bb and Eb) Example 2: Key of Eb order of b’s is… Bb... Eb (= the key)... plus go 1 flat further Ab. Conclusion: Eb major scale has 3 b’s 5)You use the order of b’s for scales that start on BLACK keys: Bb major, Eb major, Ab major, Db major, Gb major, Cb and 1 exception: F major scale (starts on a white key, but has 1 flat) Helpful tips!! A)Enharmonic scales/notes. Enharmonic = different note names for the same sound (Eb and D#, F# and Gb, B and Cb, etc…). The keysignatures of enharmonic scales ALWAYS add up to 12. Examples: C# = 7#’s ------- Db = 5b’s = 12 #’s and b’s Cb = 7b’s ------- B = 5#’s = 12 #’s and b’s Gb = 6b’s ------- F# = 6#’s = 12 #’s and b’s Ab = 4b’s ------- G# = 6#’s + 1 ## (double sharp)= 12 #’s and b’s Etc… B)½ step apart but same alphabet note name. For scales that are a ½ step apart but sharing the same note name (A & Ab, F & F#, B & Bb, etc…) their keysignatures ALWAYS ad up to 7 Examples: C = 0 b’s ----- Cb = 7b’s = 7 A = 3 #’s ----- Ab = 4 b’s = 7 F = 1 b -------- F# = 6 #’s = 7 G = 1 # ------- Gb = 6 b’s = 7 D = 2 #’s ----- Db = 5 b’s = 7 Etc… Author's Bio : Vreny is an experienced and patient Guitar teacher in Los Angeles, CA. He has a 17 years of teaching experience and he also offers private guitar lessons in LA. His website also provides free online beginner guitar lessons. His website provides free online beginner guitar lessons as well. His life's aim has been to make this world a fun place to live in, sharing his love for music through education.
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