15 is the answer! <span>Leonardo da Vinci (baptised Leonardo di ser Piero da Vinci) ( pronunciation (help. info)), (April </span>15<span>, </span>1452<span> – May 2, 1519) was one of the leading artists of the High Latt. </span>Fifteen<span> works are generally attributed either in whole or in large part to him.</span>
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Middle ages music originally had no rhythmic structure, but as the music became more complex, a need for rhythmic unity emerged. With this complexity came rhythmic notation. In the early middle ages, music was monophonic, meaning a single voice or melody line. As time passed, polyphony developed (multiple melodies).
Polyphony is really interesting and led to the highly complex polyphony of the Renaissance, and eventually to the fugues of the Baroque period.
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Yes of course. We already have devices that can read facial expressions and respond to them. At some point technology will evolve to the point that it will understand hand signs as well. It can be used to support a conversation with someone who is hard of hearing, or teach people how to sign in ASL without an actual teacher.
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