我已按照示例操作并获取以下URI。但是我想要播放更多曲目。从javadoc中，URI可以是：
Single track
Playlists
Albums
Artists
Playlist folder
Radio
Toplist
如何获得URIs？
private static final String PLAY_URI = "spotify:track:2TpxZ7JUBn3uw46aR7qd6V";
@SuppressWarnings("SpellCheckingInspection")
private static final String TEST_SONG_URI = "spotify:track:6KywfgRqvgvfJc3JRwaZdZ";
@SuppressWarnings("SpellCheckingInspection")
private static final String TEST_SONG_MONO_URI = "spotify:track:1FqY3uJypma5wkYw66QOUi";
@SuppressWarnings("SpellCheckingInspection")
private static final String TEST_SONG_48kHz_URI = "spotify:track:3wxTNS3aqb9RbBLZgJdZgH";
@SuppressWarnings("SpellCheckingInspection")
private static final String TEST_PLAYLIST_URI = "spotify:user:spotify:playlist:2yLXxKhhziG2xzy7eyD4TD";
@SuppressWarnings("SpellCheckingInspection")
private static final String TEST_ALBUM_URI = "spotify:album:2lYmxilk8cXJlxxXmns1IU";
@SuppressWarnings("SpellCheckingInspection")
private static final String TEST_QUEUE_SONG_URI = "spotify:track:5EEOjaJyWvfMglmEwf9bG3";