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lo siento, pero necesito una foto o algo porque no entiendo la pregunta perdón
Another issue that causes disagreement on how much power the government should have is gun control. Some people say that the government should take measures to make it harder to own a gun, others say not. Everyone has different viewpoints, but that is definitely a controversial topic.
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There is no specific volume that a player must be at when playing at a forte level, or a mezzo forte. It's up to the creative interpretation; it's up to the conductor and the musicians.
A piano is not always the same. If you're playing a violin concerto, your piano might be a soft but carrying whisper, as opposed to if you're playing an ostinato in a wind band (ugh, alto saxophone parts). This is part of what makes music so extraordinary. There are surely right and wrong ways to do things; an Eb will never be an E, but how you play, your expression, is entirely up to you.