using System;
using System.Collections.Generic;
using System.Threading;

class Note {
    public int Frequency { get; set; }
    public int Duration { get; set; }

    public Note(int frequency, int duration) {
        Frequency = frequency;
        Duration = duration;
    }
}

class Program {
    static void Main(string[] args) {
        // Chorus notes and durations
        Console.ReadKey();
        List<Note> chorus = new List<Note>()
        {
            new Note( 392, 60 ),
            new Note( 440, 60 ),
            new Note(523, 60  ),
            new Note(440, 60  ),
            new Note(659, 120  ),
            new Note(659, 60  ),
            new Note(587,240 ),

            new Note( 392, 60 ),
            new Note( 440, 60 ),
            new Note(523, 60  ),
            new Note(440, 60  ),
            new Note(587, 120),
            new Note(587, 60),
            new Note(523, 120),

            new Note(494, 60),
            new Note(440, 60)


        };

        // Tempo (in beats per minute)
        int bpm = 120;

        // Calculate delay between notes based on tempo
        int delay = (int)((60.0 / bpm) * 1000);

        // Play the entire chorus with the correct tempo
        for (int i = 0; i < 2; i++)  // Repeat the chorus twice
        {
            foreach (var note in chorus) {
                Console.Beep(note.Frequency, (int)note.Duration *2 );
                Thread.Sleep(delay / 2);
            }
            Thread.Sleep(delay);
        }
    }
}