Compile Error?

package com.teamtreehouse;

import com.teamtreehouse.model.SongBook;
import com.teamtreehouse.model.Song;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;

public class KaraokeMachine {
  private songBook mSongBook;
  private BufferedReader mReader;
  private Map<String, String> mMenu;

  public KaraokeMachine(SongBook songBook) {
    mSongBook = songBook;

    mReader = BufferedReader(new InputStreamReader(System.in));
    mMenu = new HashMap<String,String>();
    mMenu.put("add", "Add a new song to the song book");
    mMenu.put("quit", "Give up. Exit the program");
  }

  private String promptAction() throws IOException {
    System.out.printf("Thre are %d songs available. Your options are: %n", 
                      mSongBook.getSongCount());
    for (Map.Entry<String, String> option : mMenu.entrySet()) {
      System.out.printf("%s - %s %n",
                        option.getKey(),
                        option.getValue());
    }
    System.out.print("What do you want to do:  ");
    String choice = mReader.System.readLine();
    return choice.trim().toLowerCase();
  }

  public void run() {
    String choice = "";
    do {
      try {
      choice = promptAction();
      switch(choice) {
        case "add":
          Song song = promptNewSong();
          mSongBook.addSong(song);
          System.out.printf("%s added! %n%n", song); 
          break;
        case "quit":
          System.out.println("Thanks for playing");
          break;
        default:
        System.out.printf("Unknown choice: '%s'. Try again. %n%n%n",
                          choice);
        }
      } catch(IOException ioe) {
        System.out.println("Problem with input");
        ioe.printStackTrace();
      }
    } while(!choice.equals("quit"));
    }

    private Song promptForNewSong() throws IOException{
      System.out.print("Enter the artist's name:  ");
      String artist = mReader.readLine(); 
      System.out.print("Enter the title: "); 
      String title = mReader.readLine(); 
      System.out.print("Enter the video URL: "); 
      String videoUrl = mReader.readLine();
      return new Song(artist, title, videoUrl);

    }


}