Key Help! Options

[OneWingdAngel]

i posted on another instructors thread looking for u and also nothing to do with the topic does that make me a bad person or too egar? lol im sry here is the question again

ok i have played tabs for 2 years and was starved for the theory you are dishing out i am enjoying it all and i thank you. but for the past 2 nights at work i have racked my brain on this.

does the key of a piece equal the root of the main scale used in the piece ?

i know this may not be the topic for this thread if so im sry but my brain now hurts i was ready to start my minor pentatonic scale practice when i noticed that if i use say a scale of B major (B,C#,D#,E,F#,G#,A#,
2212221 the root is B. the key would have 5 sharps in it using the circle of fifths i can see A# is 7th or the last sharp 1 dagree up is B. KEY OF B EQUALS the B scale meaning that the scale of B major is the heart of our piece
here is the confusion
say i now use the same B scale only in minor pentatonic. (B,D,E,F#,A, 32232
now this key according to what i have learned should only have 1 sharp F# 1 dagree up is G !!!!!
WHAT key of G? shouldn't in still be KEY OF B I used a B scale?
how do i know that im supposed to use a B minor pentatonic scale for the most part if the key is G?
back to my question shouldnt the key equal my root note B?
please put my mind at ease thanks
WING.

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This post has been edited by OneWingdAngel: Oct 11 2007, 09:27 PM

[OneWingdAngel]

well here is another question Andrew. i should have asked B4 but just forgot since we went right into detail on the last question
this has to deal with OCTAVE.
really i just need you to correct me if im wrong please i will follow with a question ok here goes.

1 octave is equal to 8 tones (12 dagrees or semi tones respected sharps and flats) reason for prefix OCT
the 6 sting can play in 2 octaves.
when looking at a 6 string guitar if an open string is played say E the 1 octave higer will be found on the 12th fret
this E is equal in tone and pitch but is twice the frequancy.
so in a sense the guitar starts over again at the 12th fret

when writen on the staff the first octave or first 12 frets will be ON the staff the second octave will be writen on ledger lines above the staff.

so there correct me if im wrong please now my question.

if the above is true on the first 12 frets you can find alot of identicle tones and with a high and low E string even more identicle tones. first since all these tones be it E or B or what ever are in the same octave are they completly equal in tone and pitch and frequancy? (like if i played open 5th string A then played second string 10th fret A are they the same?) and secondly if i were to write those same notes A 5th open and A 2nd 10th fret on a staff would they be located in the same place since they are in same octave?
or maybe each string is its own octave? like low E string is botom and works up see my confusion please help thanks

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[Andrew Cockburn]

well here is another question Andrew. i should have asked B4 but just forgot since we went right into detail on the last question
this has to deal with OCTAVE.
really i just need you to correct me if im wrong please i will follow with a question ok here goes.

1 octave is equal to 8 tones (12 dagrees or semi tones respected sharps and flats) reason for prefix OCT
the 6 sting can play in 2 octaves.
when looking at a 6 string guitar if an open string is played say E the 1 octave higer will be found on the 12th fret
this E is equal in tone and pitch but is twice the frequancy.
so in a sense the guitar starts over again at the 12th fret

All correct!

when writen on the staff the first octave or first 12 frets will be ON the staff the second octave will be writen on ledger lines above the staff.

Not necessarily - whether or not you use ledger lines isn't governed by what octave you use, its purely down to the pitch of the note. If it is higher than the stave or lower, you just add ledger lines. Where in the scale this occurs will be different in different scales, and has nothing to do with octaves.
so there correct me if im wrong please now my question.

if the above is true on the first 12 frets you can find alot of identicle tones and with a high and low E string even more identicle tones. first since all these tones be it E or B or what ever are in the same octave are they completly equal in tone and pitch and frequancy? (like if i played open 5th string A then played second string 10th fret A are they the same?)

No, in the example you give there is a 2 octave difference, but if you played an open 5th string and 6th string on the 5th fret, they would be an identical frequency. However, playing the same note in different places on the fret board will give you a slightly different sound in terms of tone rather than frequency and you can use this to good effect depending on they type of sound you are looking for.

and secondly if i were to write those same notes A 5th open and A 2nd 10th fret on a staff would they be located in the same place since they are in same octave?
or maybe each string is its own octave? like low E string is botom and works up see my confusion please help thanks

As per above, in your example, no they are different notes, in my example they would be written identically on the stave.

The octave isn;t related to strings particularly, its purely a function of frequency and steps within the scale. As you step up a string, at some point, you can get the same notes on the next higher string so you use that for a while, then the next one etc. If you do this correctly you can see that the notes keep rising, and everytime you get to the 8th note of the scale you are in a new octave, it is not related to the strings themselves, rather the notes you play on those strings.

wow im way off i found that tab with every note i count 4 octaves
each string goes up in pitch so we yes do have multiple equal tones
but the example i gave that even i thought was ridiculous is wrong
seems since the strings are different pitch we can go up and down both ways.
i mean if i want to play up an octave say first e string i go to fret 12 but using the other strings i can duplicate that tone on lower frets making the guitar more versitile and efficent so i guess i answered my own question if you can add some insight on my discovery i would be greatful thanks

Looks like you figured it out for yourself, yes that is correct!

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