public static Optional<StartMusicRequest> createStartMusicRequest(Identification source, Identification target) {
        return createStartMusicRequest(source, target, (TrackInfo) null);
    }
public static Optional<StartMusicRequest> createStartMusicRequest(Identification source, Identification target) {
        return createStartMusicRequest(source, target, (TrackInfo) null);
    }
public static Optional < StartMusicRequest > createStartMusicRequest ( Identification source , Identification target ) { return createStartMusicRequest ( source , target , ( TrackInfo ) null ) ; }
creates a new StartRequest
@param source the caller
@param target the target who should start playing
@return the optional StartMusicRequest
creates a new StartRequest