SAe-PHP-S2/application/controllers/Artistes.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Artist extends CI_Controller {

        public function __construct(){
                parent::__construct();
                $this->load->model('model_music');
        }
        public function index(){
                $genre = $this->input->get('genre');
                $order = $this->input->get('order');
                $artists = $this->model_music->getArtists($genre, $order);
                $genres = $this->model_music->researchtype();
                $this->load->view('layout/header',['genres'=>$genres]);
                $this->load->view('artists_name',['artists'=>$artists]);
                $this->load->view('layout/footer');
        }

}