gistfile1.js

            for (var i = 0; i < songs.length; i++){
                //Wrap in a closure to preserve song index for each iteration.
                //If you don't do this the contextmenu method will always have the last song.
                (function(i){
                    var listItem = $('<li/>').appendTo(songList);

                    var song = songs[i];

                    var link = $('<a/>', {
                        id: song.id,
                        href: '#' + song.id,
                        text: song.name,
                        contextmenu: function(e){
                            var contextMenu = new SongListContextMenu(song);
                            contextMenu.show(e.pageY, e.pageX);

                            //Prevent default context menu display.
                            return false;
                        }
                    }).appendTo(listItem);
                }(i));
            }