import React from 'react';
import { Song, Sequencer, Synth } from 'react-music';

<Song tempo={90} autoplay={false}>
  <Sequencer resolution={16} bars={1}>
    <Synth
      type="square"
      steps={[
        [0, 2, ["c2", "e2", "g2"]]
      ]}
    />
  </Sequencer>
</Song>