Property [id] does not exist on this collection instance with my API (I have been stuck for months)

I am getting this error Property [id] does not exist on this collection instance when trying to build my API.

Album Model

<?php

namespace App;

use App\Track;

use Illuminate\Database\Eloquent\Model;

class Album extends Model
{
    public function artist()
    {
        return $this->belongsTo(Artist::class);
    }

    public function genre()
    {
        return $this->belongsTo('App\Genre');
    }

    public function tracks()
    {
        return $this->hasMany('App\Track');
    }

}

Track Model

<?php

namespace App;

use App\Album;

use Illuminate\Database\Eloquent\Model;

class Track extends Model
{
    public function artist()
    {
        return $this->belongsTo('App\Artist');
    }
    
    public function albums()
    {
        return $this->belongsTo('App\Album');
    }
}

Album Resource

    public function toArray($request)
    {

        return [
            'albumDetails' => [   
            'id' => $this->id,
            'title' => $this->title,
            'artworkPath' => $this->artwork_path,
            'albumdate' => $this->album_date,
            'upc' => $this->upc,
            'recordlabel' => $this->record_label,
            ],
            'artistId' => [
                'id' => $this->artist->id,
                'artistName' => $this->artist->name,
            ],
            'artistName' => [
                'id' => $this->artist->id,
                'artistName' => $this->artist->name,
            ],
            'genre' => [
                'id' => $this->genre->id,
                'genre' => $this->genre->name,
            ],
            'track' => [
                'id' => $this->track->id,
            ],
        ];
    }

Album Controller

public function show($id)
    {
        // Get single album
        $album = Album::findOrFail($id);

        // Return single album as a resource
        return new AlbumResource($album);
    }

Route

// List albums
Route::get('albums', 'AlbumController@index');

// List single album
Route::get('album/{id}', 'AlbumController@show');

Please i really need help, i have been stuck on this for months.