hey all u guys out there...... i got somethings that aint clear to me as yet...cud somebody help me out with them?? 1. what exactly are chords? its been three months since i started guitar lessons...have learnt some chords and play them pretty well but i just dont get the concept of chords. what exactly are they? why arent two notes played together called a chord. why three or more? what are two notes played together called anyway? and who came up with these chords? 2. there are some 1000+ chords (i think)....how does one make out the chords by just listening to a song? is there a pattern or method by which one can identify them? 3. and vice versa, when you compose a song, how do you allocate chords for the tune youve created.....and how do you know where to place them??? 4. i shudve asked this q right in the beginning. but why o why are there 12 notes in music? is it just a fluke of nature? like colors (we have just seven main ones and the rest lie between 'em)....?? or elements in the periodic table??? or is there some other profound reason behind it? 5. this is the last one for now....it may sound silly but i still wanna ask.... is there a limit to music?? as in, will there ever be a time when man will have created everything possible? considering the fact that all music is just the different permutations and combinations of chords and notes.....will there be an end? (its hypothetical, i know) ...thats it fr now.....id really be grateful if i cud get answers to these.....thanks!