public void removeTheme(final Music theme) {
        themes.removeValue(theme, true);
        if (currentTheme == theme) {
            fadeOutCurrentTheme();
            currentTheme = getNextTheme(theme);
            fadeInCurrentTheme();
        }
    }
public void removeTheme ( final Music theme ) { themes . removeValue ( theme , true ) ; if ( currentTheme == theme ) { fadeOutCurrentTheme ( ) ; currentTheme = getNextTheme ( theme ) ; fadeInCurrentTheme ( ) ; } }
@param theme will be removed from the current themes collection. If is currently played, will be smoothly
stopped and replaced with another theme (if any are left).