static void Main(string[] args)
        {
            Bandmaster master = new Bandmaster();
            Random     r      = new Random();

            OrchestraPlayer[] yama = new OrchestraPlayer[10];
            for (int i = 0; i < 10; i++)
            {
                int n = r.Next(0, 2);
                if (n == 0)
                {
                    yama[i] = new Violinist()
                    {
                        Name = r.Next(1000, 2000).ToString()
                    };
                }
                else
                {
                    yama[i] = new Hornist()
                    {
                        Name = r.Next(1000, 2000).ToString()
                    };
                }
                master.ev += yama[i].PlayIsStartedEventHandler;
            }
            int k = 3;

            Console.WriteLine("-------");
            for (int i = 0; i < k; i++)
            {
                master.StartPlay();
                Console.WriteLine("-------");
            }
        }
        static void Main(string[] args)
        {
            Random rnd = new Random;

            OrchestraPlayer[] orchArray = new OrchestraPlayer[10];
            Bandmaster        band      = new Bandmaster();

            for (int i = 0; i < orchArray.Length; i++)
            {
                if (rnd.Next(0, 1) == 0)
                {
                    orchArray[i] = new Violinist(rnd.Next(0, 10000).ToString());
                }
                else
                {
                    orchArray[i] = new Hornist(rnd.Next(0, 10000).ToString());
                }
                band.Notify += orchArray[i].PlayIsStartedEvent;
            }
            band.StartPlay();
        }