The Jukebox was introduced in Minecraft Alpha version 1.0.14. Right clicking on a jukebox while a record is equipped will make it play music corresponding to the type of record you used; Right clicking on the jukebox again will stop the music and eject the record. Records only play once before they must be ejected and reinserted. There are currently two types of records that can be used on the jukebox. Sound from the Jukebox travels roughly 75 blocks.
A Jukebox can be crafted using 8 Wood blocks and 1 diamond gem: