code: public static void startActivity(Context context, String artistName) {
          Intent i = new Intent(context, ArtistActivity.class);
          i.putExtra(BUNDLE_KEY_ARTIST_NAME, artistName);
          context.startActivity(i);
      }
docs: Start an ArtistActivity for a given artist name.
  Start activity pattern.
  
  @param context    context used to start the activity.
  @param artistName name of the artist.