public async Task ProcessNextAndQueue(int currentPos)
{
var nextFileUrl = mbApiInterface.NowPlayingList_GetListFileUrl(currentPos + 1);
await CalculateHash(nextFileUrl, "next");
var curr = songHash.Current;
var ne = songHash.Next;
string[] res = null;
mbApiInterface.Library_GetFileTags(nextFileUrl, new[] { MetaDataType.Artist, MetaDataType.TrackTitle, MetaDataType.Album }, ref res);
await QueueItem(songHash.Next,
Path.GetExtension(nextFileUrl),
0,
res[0],
res[1],
res[2]
);
filenameStack.Push(songHash.Next);
await CopySong(nextFileUrl, songHash.Next);
natural = true;
}