if i do not have a keyboard part in the song (and sometimes even if i do).....

i tune down, usually between a half step to a whole step, and tune all my guitars to whatever tuning the first one i pick up happens to be in.

seriously.


i just don't care.

as long as i'm in tune.


with myself.

LOL

The standard and what instruments are tuned to is A=440Hz. That is even guitar tuners.

I think it was here on the forum that I recently read about this. The "standard" varies between countries and even between symphony orchestras.

Yeah I started reading more into it and didn't know it was thing. Kind of makes me want to experiment.

The current standard is 440 probably because it is a nice even number.  Many European orchestras like to tune higher because it gives them a more brilliant sound.  The standard in the US was 440 or slightly lower for a darker, more romantic sound.  

Check out the variances in this video:

http://www.youtube.com/watch?v=xb24c77zJ64

all of my pitchforks (4) are 440.


piano is tuned to 440

my tuner will tune to any pitch, it does not care at all about 440

Wow lots of opinions, thanks for reading and writing, I read that different frequencies effect the human brain differently, (these slight variations have a profound effect on subconscious) doctors use music for healing and spas for relaxation,  read  a lot about it being around A=444Hz and some say A=432Hz, and almost all say 440Hz causes disharmony in human society. I don’t believe everything I read on the internet as most are people's opinions, but I must say I do find the idea of experimenting fascinating.
   

here's a simple test:

take all the best 'feelgood' top 40 hits of the last 40 years..

boil them all down to what pitch they were tuned to.


find the most common pitch.


that's the one that hits the most people i guess.

My guess Bats is that you would find the common thread being tuned to standard 440 & the most common progression being G,C, & D (in any order really but those are the chords/keys I'd put my money on in that test).

Hearing some guitar player's tone is what causes the dis-harmony.