Musicxml-schemas

using System;
using System.Xml.Serialization;
using System.IO;

namespace ExampleProgram
{
    static class Program
    {
        static void Main()
        {
            XmlSerializer serializer = new XmlSerializer(typeof(MusicXmlSchema.ScorePartwise));

            // Uncompress the MusicXML file if it ends with a .mxl before passing it in
            string filename = "scherzo-no-2-opus-31.xml";

            // Your fully typed score
            var score = serializer.Deserialize(new FileStream(filename, FileMode.Open)) as MusicXmlSchema.ScorePartwise;

            Console.WriteLine(score.Credit[0].CreditWords.Value);
            // Output: Scherzo No. 2 in B♭ Minor
            Console.WriteLine(score.Part[0].Measure[0].Note[0].Pitch.Step);
            // Output: B

            Console.ReadKey();
        }
    }
}

var xmlBytes = GetAirplaneXml();
XmlSerializer serializer = new XmlSerializer(typeof(MusicXmlSchema.ScorePartwise));
using (var xmlStream = new MemoryStream(xmlBytes))
{
    var score = serializer.Deserialize(xmlStream) as MusicXmlSchema.ScorePartwise;
}