Jukebox/BE


 * Block entity data
 * : Record currently playing. 0 is no record. Otherwise, it is the item ID of the record (e.g. 2261 for the "mall" record). Other IDs can be used to make other items or blocks pop out with a data value of 0. This is always overridden by the ID in RecordItem.
 * : The item, without the Slot tag.
 * : The item, without the Slot tag.