public async Task<bool> RenamePlaylist(string oldplaylistname, string newplaylistname) { int qId = await Send(MPDKeyWords.Client.StoredPlaylist.RENAME, new List<string>(), new List<string>() { oldplaylistname, newplaylistname }); return ((await Response(qId)).Equals(MPDKeyWords.Response.OK_LINEBREAK)) ? true : false; }