RBAppDelegate.m

-(void) playURLString:(NSString*) urlString
{
    NSURL *url = [NSURL URLWithString:urlString];
    NSDictionary *movieAttrs = [NSDictionary dictionaryWithObjectsAndKeys:
				url,
                                QTMovieURLAttribute,
				[NSNumber numberWithBool:YES],
                                QTMovieOpenForPlaybackAttribute,
				nil];
    
    if(radio) {
        [radio stop];
        [radio release];
    }

    radio = [[QTMovie alloc] initWithAttributes:movieAttrs error:nil];
    [radio autoplay];
}