nd = sound ? JSON.parse(sound) : true;

                this.initViews();
                this.initAudio();
                this.initPanel();

                this.addListeners();
                this.onResize();

                this.animateIn();
            }

            static initViews() {
                this.ui = new UI({
                    fps: true,
                    instructions: {
                        content: `${navigator.maxTouchPoints ? 'Tap' : 'Click'} for sound`
                    },
