Songs Queue

using System;
using System.Collections.Generic;

class Program
{
    static void Main(string[] args)
    {
        string[] songs = Console.ReadLine().Split(", ");
        Queue<string> songQueue = new Queue<string>(songs);

        while (songQueue.Count > 0)
        {
            string[] command = Console.ReadLine().Split();

            if (command[0] == "Play")
            {
                songQueue.Dequeue();
            }
            else if (command[0] == "Add")
            {
                string song = string.Join(" ",command, 1, command.Length -1);

                if (songQueue.Contains(song))
                {
                    Console.WriteLine($"{song} is already contained!");
                }
                else
                {
                    songQueue.Enqueue(song);
                }
            }
            else if (command[0] == "Show")
            {
                Console.WriteLine(string.Join(", ", songQueue));
            }
        }

        Console.WriteLine("No more songs!");
    }
}