public void CalculateSampleKey(Sample sample)
{
var track = GetTrackFromSample(sample);
if (track == null)
{
return;
}
KeyHelper.CalculateKey(track.Filename);
TrackLibrary.LoadTrack(track.Filename);
var samples = GetTrackSamples(track);
samples.ForEach(x => x.Key = track.Key);
}