outputs.js

//Child component
@Output()
artistClicked:EventEmitter = new EventEmitter(); //does not need type

click() {
  this.artistClicked.emit(this.artist);
}

//html
<spotify-artist [artist]="artista" (artistClicked)="receive($event)"></spotify-artist>

//Parent component
receive(artist) {
  console.log(artist);
}