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At first glance, a keyboard is simply
an assortment of black and white keys of two different lengths, usually the black keys being the
short ones. A closer examination shows a pattern of keys repeating a
few times to produce the full keyboard. The repeating pattern is shown
in the following figure. Many keyboards indicate the location of the 'C' key as shown in the
figure. In any case, a C key can be identified as the white (or long) key
immediately to the left of a group of two black keys or the first key in the
above figure.
Evidently, there is more than one C key (perhaps 4 or even more) on the keyboard. The C
key is so called due to the notation used in western music for the notes. The successive white keys
to the right of C are labeled D, E, F, G, A and B. As a first example of
harmony, play a C key and the next C key simultaneously and listen carefully (It is assumed here that
the keyboard is polyphonic i.e., has the ability to produce more than one
tone at a time. Many inexpensive of keyboards .
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