使用.NET搜索音乐-获取曲目

我正在为谷歌音乐在.net中构建一个迷你音乐播放器。我可以从中获取播放列表。我可以看到播放列表id，但我如何从播放列表中获取单个曲目

{
 "kind": "sj#playlistList",
 "data": {
 "items": [
 {
    "kind": "sj#playlist",
    "id": "935bfa54-36e4-452c-aa20-56c2835cb889",
    "creationTimestamp": "1387143940668642",
    "lastModifiedTimestamp": "1387143940668642",
    "recentTimestamp": "1387143940666000",
    "deleted": false,
    "name": "Playlist 1",
    "type": "USER_GENERATED",
    "shareToken": "AMaBXykhyJQbceb6PUidlvLZn-pFLIppvAeR8qrKqBmPk8c4WCLL551RKi6Q7AQWAsINM1PkM-LZq8rkUhVyavAxS8xhyqtEsA==",
    "ownerName": "Some Owner",
    "ownerProfilePhotoUrl": "http://someurl",
    "accessControlled": false
  }
}