Making Key Signatures

Chords, scales, harmony, melody, etc.
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I'm taking a online class and I'm supposed to know how to make key signatures. Can anyone link me some info on how to make them, my class lecture just tells me the order they are placed but i don't really understand how key signatures are used and work. If someone could link me a site that fully explains key sigs I'd be grateful. I've Googled it but haven't found a site offers a good explanation on how to make them and use them. Also looking for a good explanation about roman numerals how to tell if a triad is I ii iii IV V ect... in the context when a triad has flats or sharps in the key signature. Thanks in advance.

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I'm not sure about the key signature tutorial, but you should just look at the root note of the triad to see if it's on the I, V, or whatever scale degree, rather than look at the sharps and flats. For instance, you know that the triad built on E is the iii scale degree in the key of C major.
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I have this chart that says C major is I, D minor is ii, e minor is iii, F Majcr is IV, G Major is V, a minor is vii, and b dim is vii. But when i look at the staff on my practice tests and match up the triads like for instance i see this triad in my test right now, G4 B4 D5, so i match it up and it should be V, but there is sharps on C5 F5 G5 and i enter in V as the answer but it says vii is the correct answer.

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If your key signature is 3 sharps: F#, C#, G#, then your chord is not GBD -- it is G#BD.

Also, you are not in C major (where GBD is indeed a V chord), you are in A major. And in A major, G#BD (or G# diminished triad) is a vii dim. chord, because it is build on scale degree 7 (G#).

Basically, buy a music theory textbook and you'll figure it out easily.

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This info is probably online somewhere, what should i google? Also its G5 that is sharped on the staff, G4 is the first part of the triad. I didn't think if G5 is sharped then all Gs are sharped. Thanks by the way.
Last edited by cj31387 on Sun Dec 12, 2010 6:13 am, edited 1 time in total.

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cj31387 wrote:I have this chart that says C major is I, D minor is ii, e minor is iii, F Majcr is IV, G Major is V, a minor is vii, and b dim is vii. But when i look at the staff on my practice tests and match up the triads like for instance i see this triad in my test right now, G4 B4 D5, so i match it up and it should be V, but there is sharps on C5 F5 G5 and i enter in V as the answer but it says vii is the correct answer.
Your chart is just keyed to C. G is V in C, but it's I in the key of G major for instance. You will need to learn to "slide" those designations up and down to make them fit each scale. The I, ii, ii, IV, etc. designations are all relative. They change for each key.

You will need to learn all the notes in every key, but that isn't that hard. It helps to have a music keyboard to work on, since you can memorize the notes according to black and white keys. Once you learn all the notes in each key, you can apply the appropriate Roman numeral designations to each note in each key.

I don't agree with the insulting tone of the post two before this one, but I do agree that this is pretty basic music theory stuff, so you should be able to find the detailed explanations in most music theory books.
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I didn't take karacha's post as insulting, he helped me a bit. I just don't have much time to finish this class, It wasn't smart for me to procrastinate so much. I don't have time to order or get a book though I'm gonna have to find this on the web. Thanks A.M. Gold too.
Last edited by cj31387 on Sun Dec 12, 2010 6:26 am, edited 1 time in total.

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Ah, ok, well there I can't help you much (though I know the feeling).

I thought you were undertaking to seriously learn the basics of music theory. If you are mostly looking for shortcuts to complete a class at the last minute, I'm not really sure I know of any I can direct you to. Good luck, though.

If you have any more specific questions, I'll try to answer them.
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---Salon on internet trolls attacking Cleveland kidnapping victim Amanda Berry

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Well i do want to learn it, I'm learning a lot very fast. Its just that i got stuck at a lesson a while ago and put off the rest of the lessons, and now I'm just trying to finish the class. I've learned a lot so far. After this i plan on taking music theory completely by a teacher that can come to my house. I found this guy that lives near me that teaches guitar, how to write songs, music theory, how to set up properly for recording. Its kind of expensive but i think having a teacher come to my house and me being able to ask millions of questions will be very good for me.
Last edited by cj31387 on Sun Dec 12, 2010 6:37 am, edited 1 time in total.

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This part of it isn't really hard, though, like anything else, it seems hard when you are new and disoriented about it. Music theory goes on to become much, much, more complicated.

What kinds of questions do you think will be on your final exam?
"You don’t expect much beyond a gaping, misspelled void when you stare into the cold dark place that is Internet comments."

---Salon on internet trolls attacking Cleveland kidnapping victim Amanda Berry

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This class is pretty simple, there is no final exam, I just have to complete all tests for each lesson. I'm just taking what i think is easiest first and I'm making progress. From what I've done so far I'm better at the theory tests than the aural. although i have been writing music for a long time by ear. Like there is a test that i have to listen to a measure and figure out the last 2 beats if they are like a 16th and a 8th or a quarter and a 8th ect... That seems like the hardest for me even know I've been writing music a long time. Right now I'm about to finish a lesson then go to bed and do some more tomorrow. I'll post if i have specific questions.

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cj31387 wrote:This info is probably online somewhere, what should i google? Also its G5 that is sharped on the staff, G4 is the first part of the triad. I didn't think if G5 is sharped then all Gs are sharped. Thanks by the way.
If a note has a sharp in the key signature, all notes with the same letter name will be sharp, no matter what octave they are. The same rule applies to flats. Accidentals (sharps, flats, or naturals) that occur later only apply to the measure they appear in, but still apply to all octaves.

Hope this helps a little. I need to get to bed too.

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DocAtlas wrote:
cj31387 wrote:This info is probably online somewhere, what should i google? Also its G5 that is sharped on the staff, G4 is the first part of the triad. I didn't think if G5 is sharped then all Gs are sharped. Thanks by the way.
If a note has a sharp in the key signature, all notes with the same letter name will be sharp, no matter what octave they are. The same rule applies to flats. Accidentals (sharps, flats, or naturals) that occur later only apply to the measure they appear in, but still apply to all octaves.

Hope this helps a little. I need to get to bed too.
Ok i think i remember reading that somewhere but forgot about it. Thanks

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Yea, the good news here is that we are dealing with relative pitch, which means that the same rules apply no matter what key or octave you are in. All the same relationships exist in Ab major that exist in F major, and they are all the same no matter which octave it is.
"You don’t expect much beyond a gaping, misspelled void when you stare into the cold dark place that is Internet comments."

---Salon on internet trolls attacking Cleveland kidnapping victim Amanda Berry

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cj31387 wrote:I'm taking a online class and I'm supposed to know how to make key signatures. Can anyone link me some info on how to make them,...
Right here at KVR:

An Introduction to Key-Signatures
Sharps, Flats and how to work out Keys
Scales, Modes and Chords
An Introduction to Music Theory
Unfamiliar words can be looked up in my Glossary of musical terms.
Also check out my Introduction to Music Theory.

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