Tips on Customizing Music Store – WordPress eCommerce

How to Hide Music Store - WordPress eCommerce Admin Menus

function plt_hide_music_store_menus() {
	//Hide "Settings → Music Store".
	remove_submenu_page('options-general.php', 'music-store-menu-settings1');

	//Hide "Music Store".
	remove_menu_page('music-store-menu');
	//Hide "Music Store → Songs for Sale".
	remove_submenu_page('music-store-menu', 'edit.php?post_type=ms_song');
	//Hide "Music Store → Set Genres".
	remove_submenu_page('music-store-menu', 'edit-tags.php?taxonomy=ms_genre');
	//Hide "Music Store → Set Artists".
	remove_submenu_page('music-store-menu', 'edit-tags.php?taxonomy=ms_artist');
	//Hide "Music Store → Set Albums".
	remove_submenu_page('music-store-menu', 'edit-tags.php?taxonomy=ms_album');
	//Hide "Music Store → Set Genders".
	remove_submenu_page('music-store-menu', 'edit-tags.php?taxonomy=ms_gender');
	//Hide "Music Store → Set Tempos".
	remove_submenu_page('music-store-menu', 'edit-tags.php?taxonomy=ms_tempo');
	//Hide "Music Store → Store Settings".
	remove_submenu_page('music-store-menu', 'music-store-menu-settings');
	//Hide "Music Store → Products Templates".
	remove_submenu_page('music-store-menu', 'music-store-menu-templates');
	//Hide "Music Store → Sales Report".
	remove_submenu_page('music-store-menu', 'music-store-menu-reports');
	//Hide "Music Store → Songs Importer".
	remove_submenu_page('music-store-menu', 'music-store-menu-importer');
	//Hide "Music Store → Online Help".
	remove_submenu_page('music-store-menu', 'music-store-menu-help');
}

add_action('admin_menu', 'plt_hide_music_store_menus', 11);

Where do I put this code?

How to Hide Music Store - WordPress eCommerce Meta Boxes

function plt_hide_music_store_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Manual Purchase" meta box.
	remove_meta_box('ms_song_metabox_emulate_purchase', $screen->id, 'side');
	//Hide the "Song's data" meta box.
	remove_meta_box('ms_song_metabox', $screen->id, 'normal');
	//Hide the "Programming Discounts" meta box.
	remove_meta_box('ms_song_metabox_discount', $screen->id, 'normal');
}

add_action('add_meta_boxes', 'plt_hide_music_store_metaboxes', 20);