Its invention is credited to Bartolomeo Cristofori, an Italian maker of musical instruments. It is believed to be invented in Greece in the 3rd century BC, while the piano was not invented until the 1700s. It’s cousin, the pipe organ, dubbed by Mozart as the “king of instruments,” preceded the piano by centuries. Among all the keyboard instruments, the piano is arguably the most popular. That is why, in a typical symphonic orchestra set-up, the piano is positioned in the percussion section. Though the piano is a stringed instrument, it is considered to be a percussion instrument because of the mode of sound making, where the strings are struck and not plucked. Each string of a piano holds approximately 168 pounds of tension, making the total tension of a standard piano with 236 strings a whopping 18 tons. If your app supports both orientations, then you don't need to declare either feature.#The app uses the Global System for Mobile Communications (GSM) telephony radio system.#The app uses 802.11 networking (Wi-Fi) features on the device.A standard piano can have upwards of 12000 moving parts. The app requires the device to use the portrait or landscape orientation. The app uses 802.11 networking (Wi-Fi) features on the device. Allows applications to access information about networks.Īllows applications to access information about Wi-Fi networks.Īllows applications to open network sockets.Īllows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.Īllows an application to receive the ACTION_BOOT_COMPLETED that is broadcast after the system finishes booting.Īllows an app to create windows using the type TYPE_SYSTEM_ALERT, shown on top of all other apps.Īllows an application to write to external storage.Īllows an application to read from external storage.
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