urls: {

        A1: "A1.mp3",

        A2: "A2.mp3",

    },

    baseUrl: "https://tonejs.github.io/audio/casio/"

})

​

const delay = new Tone.PingPongDelay({

  delayTime: "16n",

  feedback: 0.5,

  wet: 0

})

​

sampler.chain(delay);

​

delay.toDestination();