Sorting Bikes with Linq

Bike Counts

using System;
using System.Collections.Generic;
using System.Linq;
using Newtonsoft.Json.Linq;

namespace popular_bikes
{
    class Program
    {
        static void Main(string[] args)
        {
            // Call and parse json from endpoint
            String url = "https://trekhiringassignments.blob.core.windows.net/interview/bikes.json";
            System.Net.WebClient client = new System.Net.WebClient();
            String json = client.DownloadString(url);

            // Grab the array of bikes from each child to generate an array of arrays
            var bikesList = JArray.Parse(json).Children().Select(b => b["bikes"]).ToArray();

            List<String> stringifiedBikeList = new List<String>();
            // generate a new list where I sort and join each list of bikes
            foreach(var bikes in bikesList) {
                var sortedBikesList = bikes.ToObject<List<string>>();
                sortedBikesList.Sort();
                var key = String.Join(",", sortedBikesList);
                stringifiedBikeList.Add(String.Join(",", sortedBikesList));
            }

            // use LINQ to query, order and count the stringified members of the list
            var topTwenty = (from b in stringifiedBikeList 
                                group b by b 
                                into g
                                orderby g.Count() descending
                                select new { Bikes = g.Key, Count = g.Count() }).Take(20);

            // output results
            foreach(var b in topTwenty) {
                Console.WriteLine(b.Count + ": " + b.Bikes);
            }
        }
    }
}