JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.0.13/css/all.css">
<!-- 
  Bootstrap docs: https://getbootstrap.com/docs
-->

<div class="container">
  <a class="btn btn-lg btn-primary btn-block" role="button"></a>
</div>

CSS

.btn-block {
      position: relative;
    }

    a::after {
      content: 'Music';
      color: #fff
    }

    a::before {
      content: '\f001';
      font-family: 'Font Awesome 5 Free';
      font-weight: 900;
      color: #fff;
      position: absolute;
      left: 0.5em;
      font-size: 1.2em
    }