urls: {

        A1: "A1.mp3",

        A2: "A2.mp3",

    },

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

})

​

const reverb = new Tone.Reverb({

  decay: 3,

  preDelay: 0.1,

  wet: 0.5

})

​

sampler.chain(reverb);

​

reverb.toDestination();