Calling a ListView from a separate dart file--do I have to define my list as a parameter of all my widgets?

In my app, I have a ListView that I would like to populate with Firebase data. I successfully did it, but now, I would like to separate my ListView in another dart file

main.dart

class _MyHomePageState extends State<MyHomePage> {  int currentPageIndex = 0;  late List<QueryDocumentSnapshot<Map<String, dynamic>>> list;  @override  void initState() {    print('INIT');    FirebaseFirestore.instance        .collection('bands').get().then(          (querySnapshot) => {            setState(() {              list = querySnapshot.docs;            }),          },        );    super.initState();  }

and then I am calling my custom View as part of Bottom Navigation:

  @override  Widget build(BuildContext context) {    return ...      appBar: AppBar(        ...      ),      bottomNavigationBar: NavigationBar(        .....      ),      body:<Widget>[            ArtistList(list),

and in a separate dart file

class ArtistList extends StatefulWidget {  ArtistList(this.list);  final List<QueryDocumentSnapshot<Map<String, dynamic>>> list;  @override  State<ArtistList> createState() => _ArtistListPageState(list);}class _ArtistListPageState extends State<ArtistList> {  _ArtistListPageState(this.list);  final List<QueryDocumentSnapshot<Map<String, dynamic>>> list;  @override  Widget build(BuildContext context) {    return ListView.builder(      itemBuilder: (BuildContext context, int index) {        var data=list[index];       return  Text(data['name'])

....

This is working, but it's not really optimised.

Do I have to define my list as a parameter of all my widgets? I see a lot of redundancy there.