> Imagine the 8 posts are 1m in diameter. Then the fence would be > 8m long. You could argue, perhaps mathematically, that the 1m > diameter of each post represents the frequency range of each > note. As in, when does Ab become A ? If it's less than 440Hz, > is it Ab ? Who says ? > Notes are essentially monochromatic, A note of, say 430 Hz would be be neither A or Ab. It would be discordant with the rest of the instrument. > If that fence was a fretboard, like a guitar, then you'd need a 9th > fret to make the 8th note > > With a fretted instrument it is the space between the frets (where you finger it) that are equivalent to the keys of a piano. --=20 __________________________________________ David C Brown 43 Bings Road Whaley Bridge High Peak Phone: 01663 733236 Derbyshire eMail: dcb.home@gmail.com SK23 7ND web: www.bings-knowle.co.uk/dcb --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .