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Xtend         Concertina |
Accordion   Concertina
The Accordion  .
The left arm also operates chord valves, used
to accompany the tune created by the keyboard. That is the source of its
name - accordion.,
which is popular in traditional tango
music. Another known version is the concertina,
with no keyboard, replaced by many buttons used for playing the tune itself.
instrument, that is not a member of the symphonic
orchestra.
Originating from the Chinese
Sheng
It was invented in 1821 by Christian
Buschmann and developed by Charles
Wheatstone in 1829. Wheatstone created a wind
instrument simple for learning and of a pleasant sound.
The harmonica is known in two widely accepted forms: .
Thus, we find harmonicas for major
and minor
scales,
easy to play, since the interval
between neighboring reeds is a third. Hence
each group of such intervals produces a chord in the key (which explains
the instrument's name; it is a harmonic one).
notes (sharps
and flats)
by means of a slide, at the side of the harmonica, which, when pressed
in, blocks off the basic row of reeds and opens access to a second row
a semitone
higher.,
and Blues
music also makes vast use of it, for its ability
to produce crying-like sounds. Gershwin,
for example, composed blues works including a harmonica in the ensemble. |
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