rafale, you're noticing a semitone shift (or half of a half-step), which can sound sour if you're not careful... camelot is right in that it's just under 6% for a half-step (one note) shift, 5.94631% to be exact ;-)

Correction: A semitone IS a half-step, which is the interval between two adjacent keys on a standard keyboard. If you shift only 3%, then you are between two notes, and out of tune with everything. This smaller difference is sometimes called a hemitone.

Back in the days of analog music production (2" master tapes, etc.), a producer may have slightly pitched up the speed of an entire track to provide an "energy boost." The resulting track would therefore be out of tune with "in tune" tracks.

You may note that our database often includes remarks such as "@+2.5%." This indicates that the subject track will only be in tune with the specified key when the speed is increased by 2.5%. In a few cases, those unusual tracks that are midway between two keys may have a notation, for example, such as "B-Minor (10A) at +3%. B-Flat Minor (3A) at -3%."

lol thanks for the correction camelot ;-)

good point though, i wonder how many songs really are tuned up or down from the standard (where A is 440hz)... perhaps it explains my trouble in keying a few. that said, i'm going to try to make the midi keyboard in rapid evolution microtunable so you can find this out for sure (and notate this)...

Last edited by qualia on Feb-20-2005 at 03:15

Fifteen years ago perhaps 25% of new tracks required pitch adjustment to be in tune. Currently less than 5% require pitch adjustment, according to our research. This seems to correspond with the dominance of computerized production compared to analog production "back in the day."

On a similar topic, I think I stumbled onto a great Music Theory resource. How to Key has got to be in it some where in some form at least. http://en.wikipedia.org/wiki/Music_theory

If its deemed worthy, maybe paste that linky onto the first page of this thread so some one reading it for their first time can read up on how to key before getting lost in the thread. I was reading through and kept seeing people ask about it. I cant blame them for not wanting to dig through all the pages for the answers.

The article is A LOT to take in all at once if you are new to music theory(which I am) but it is available to read, in all its glory, for the dedicated and determined DJs

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Last edited by PrestonYoung on Feb-23-2005 at 18:09

quote:

Originally posted by qualia rafale, you're noticing a semitone shift (or half of a half-step), which can sound sour if you're not careful... camelot is right in that it's just under 6% for a half-step (one note) shift, 5.94631% to be exact ;-)

Okay so with respect to the correction made by camelot_sound on your (presumably typo) error,
what i'm noticing at a 3.3% pitch change(+/-) of a given tune is a semitone change e.g. F-->F# or E-->F or B-->C or A-->A# (or vice versa for each).

And what camelot_sound explains happens at a 6% pitch adjustment (+/-) is for e.g. F-->G or E-->F# or B-->C# or A-->B (or vice versa for each).

Do correct me if my understanding is flawed,
cheerSss

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rafale, to correct you a 6% pitch adjustment is one semitone ... i.e. from E->F, or F->F# ... a 3% is half way between two notes :-)

Ok I've been watching this thread go on and on...It's simply amazing!
Thnx to all the people who posted here cuz this is reeeeaaaaalllllyyyyy helpful.
Just one question tho, what's the website again for searching for tracks' keys?And is it up to date with all the new tracks and their keys?
Thnx again people! This means alot

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quote:

Originally posted by qualia rafale, to correct you a 6% pitch adjustment is one semitone ... i.e. from E->F, or F->F# ... a 3% is half way between two notes :-)

got it.

a 6% shift is total key change.

and it is quite audible if more than a 3.3% shift is involved coz its halfway there =)

thanks!

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can anyone help me out with a few keys?

Ive got the following tunes would anyone please care to let me know if i have any right or wrong, thanks guys

polar state - global midnight (origianl mix) Dm
polar state - global midnight (martin roth mix) Dm
polar state - global midnight (morphogenic resonance mix) Dm

Nufrequency - 808 (why oh why)instrumental Em or E?
Nufrequency - 808 (why oh why)dub Em or E?

Carl B - all day (original mix) Dm
Carl B - radiance (original mix) Dm

lost witness - home (original mix) Cm, D#m?
lost witness - home (mike shiver catching sun mix) Cm , D# ?

factoria - twising free(shine through) G#m

taxi - distance (original mix) Dm

marc et claude - free (marc van linden rmx) Gm
marc et claude - free (original mix) Gm
marc et claude - free (mark norman rmx) Gm
marc et claude - free (club mix)Gm

Starsign - taurus / tauruscilis Cm? Fm? C?

Ava Mea - in the end f#m F#

jose amnesia - heaven drops Cm, D#

hammer & bennett - language Fm

mike foyle - space guitar Gm

nick thompson - spice fire A#m

any help would be great - thanks :-)

Krowster--i believe the most up to date site is [[ LINK REMOVED ]]
, with currently ~79,000 songs... right now you can search online, and i'm working to add the ability to edit/add songs online without downloading the software (although you should check it out if you haven't done so yet)