@Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (!(o instanceof MusicRecording)) {
      return false;
    }
    MusicRecording that = (MusicRecording) o;
    return Objects.equals(isrcCode, that.isrcCode)
        && Objects.equals(title, that.title)
        && Objects.equals(durationMillis, that.durationMillis)
        && Objects.equals(musicRelease, that.musicRelease)
        && Objects.equals(byArtists, that.byArtists)
        && Objects.equals(isExplicit, that.isExplicit);
  }
POJO for https://schema.org/MusicRecording
portability-types-common/src/main/java/org/datatransferproject/types/common/models/music/MusicRecording.java