awful.key({ modkey, "Control" }, "n", awful.client.restore),

    -- Prompt
    awful.key({ modkey },            "r",     function () mypromptbox[mouse.screen]:run() end),

    awful.key({ modkey }, "x",
              function ()
                  awful.prompt.run({ prompt = "Run Lua code: " },
                  mypromptbox[mouse.screen].widget,
                  awful.util.eval, nil,
                  awful.util.getdir("cache") .. "/history_eval")
              end)
)
-- KEYBINDING PERSOS

awful.key({}, "#121", function () exec("amixer set Master mute") end),
awful.key({}, "#122", function () exec("amixer set Master -5%") end),
awful.key({}, "#123", function () exec("amixer set Master +5%") end),
awful.key({}, "#173", function () exec("mpc prev") end),
awful.key({}, "#171", function () exec("mpc next") end),
awful.key({}, "#172", function () exec("mpc pause") end),
awful.key({}, "#174", function () exec("mpc stop") end),