Tag Reader for Audio Files in C#

using System;
using System.IO;
using System.Text;

class ID3Reader
{
    // Main method to execute the reading and parsing of ID3 version 1 tags
    static void Main(string[] args)
    {
        // Prompt the user for the audio file path
        Console.WriteLine("Please enter the path of the audio file:");
        string filePath = Console.ReadLine();

        // Check if the file exists
        if (!File.Exists(filePath))
        {
            Console.WriteLine("File does not exist.");
            return; // Exit the program if the file doesn't exist
        }

        try
        {
            // Open the audio file in read-only mode using FileStream
            using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read))
            {
                // Move to the last 128 bytes of the file (ID3v1 tag location)
                fs.Seek(-128, SeekOrigin.End);

                // Read the last 128 bytes into a byte array
                byte[] id3Tag = new byte[128];
                fs.Read(id3Tag, 0, 128);

                // Check if the tag header contains "TAG" (ID3v1 identifier)
                if (Encoding.ASCII.GetString(id3Tag, 0, 3) == "TAG")
                {
                    // Extract the title, artist, album, year, comment, and genre
                    string title = Encoding.ASCII.GetString(id3Tag, 3, 30).Trim();
                    string artist = Encoding.ASCII.GetString(id3Tag, 33, 30).Trim();
                    string album = Encoding.ASCII.GetString(id3Tag, 63, 30).Trim();
                    string year = Encoding.ASCII.GetString(id3Tag, 93, 4).Trim();
                    string comment = Encoding.ASCII.GetString(id3Tag, 97, 30).Trim();
                    byte genreByte = id3Tag[127]; // Genre is stored in the last byte

                    // Define a list of predefined genres (just a few as an example)
                    string[] genres = new string[]
                    {
                        "Blues", "Classic Rock", "Country", "Dance", "Disco", "Funk", "Grunge", "Hip-Hop",
                        "Jazz", "Metal", "New Age", "Oldies", "Other", "Pop", "R&B", "Rap", "Reggae",
                        "Rock", "Techno", "Industrial", "Alternative", "Ska", "Death Metal", "Pranks",
                        "Soundtrack", "Euro-Techno", "Pop/Funk", "Jungle", "Native American", "Cabaret",
                        "New Wave", "Psychadelic", "Rave", "Showtunes", "Trailer", "Lo-Fi", "Trance", 
                        "Classical", "Instrumental", "Acid", "House", "Game", "Sound Clip", "Gospel",
                        "Noise", "AlternRock", "Bass", "Soul", "Punk", "Space", "Meditative", "Instrumental"
                    };

                    // Display the extracted metadata
                    Console.WriteLine("Title: " + title);
                    Console.WriteLine("Artist: " + artist);
                    Console.WriteLine("Album: " + album);
                    Console.WriteLine("Year: " + year);
                    Console.WriteLine("Comment: " + comment);
                    Console.WriteLine("Genre: " + (genreByte >= 0 && genreByte < genres.Length ? genres[genreByte] : "Unknown"));
                }
                else
                {
                    Console.WriteLine("No ID3v1 tag found in the file.");
                }
            }
        }
        catch (Exception ex)
        {
            // Handle any errors that occur during file reading or parsing
            Console.WriteLine("An error occurred: " + ex.Message);
        }
    }
}

 Output

//Given the audio file contains an ID3 tag, the program will display:
Please enter the path of the audio file:
C:\path\to\audio.mp3
Title: My Song
Artist: Some Artist
Album: My Album
Year: 2021
Comment: Great song!
Genre: Rock

//If no ID3 tag is found, the program will output:
Please enter the path of the audio file:
C:\path\to\audio.mp3
No ID3v1 tag found in the file.