A piano keyboard is a musical instrument, with tabs of white and black keys that makes sound ranging from a low pitch to a high pitch sound. Its keys a labelled from A to G and occur several times on the keyboard.
If a letter "C" is pressed on the keyboard, a count of eight keys gives another occurrence of "C" again, whether it is counted upwards or downwards , but it gives a slightly higher pitch than the former "C".
Yo creo que él internet a mejorado nuestra vida pero también nos a embobado porque lo que hacemos mas es buscar cosas que no aportan a tu vida y no cosas que nos ayuden en la vida.