Initial support for song browsing from UI

ui/src/common/BitrateField.js

@@ -0,0 +1,18 @@
+import React from 'react'
+import PropTypes from 'prop-types'
+
+const BitrateField = ({ record = {}, source }) => {
+  return <span>{`${record[source]} kbps`}</span>
+}
+
+BitrateField.propTypes = {
+  label: PropTypes.string,
+  record: PropTypes.object,
+  source: PropTypes.string.isRequired
+}
+
+BitrateField.defaultProps = {
+  addLabel: true
+}
+
+export default BitrateField