| Sonata |
Early sonatas were compositions written for solo instruments, but after about 1750, the form was used for a solo instrument accompanied by another.
출처: net.unl.edu/musicFeat/bach/bachgloss.html
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| Sonata |
This term usually denotes work for solo instrument (eg, piano) although you will find pieces for violin and piano that are also called sonata. The sonata form enjoyed tremendous popularity during the Classical period. Sonatas are typically three movements in length, with a fast first and third movements. The second movement is generally slow and in a different key from the other two movements. Examples of a sonata: Beethoven: Piano Sonata #14 (Moonlight); Mozart: Piano Sonata in C, K. 545.
출처: theclassicalstation.org/terminology/compositions.s...
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| sonic boom |
A shock wave caused by the shuttle moving through the air faster than the speed of sound during re-entry. A shuttle's signature double sonic boom is a result of shock waves created by the nose and the tail of the orbiter.
출처: www.orlandosentinel.com/news/custom/space/orl-asec...
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