Synkronized is the fourth studio album released by British funk/acid jazz band Jamiroquai. It was released on 8 June 1999 on Work Group in the United States and on 14 June 1999 in the United Kingdom under S2 Records. The US and Japan got the album release a week earlier with some countries getting a bonus track "Getinfunky." either at the end of the CD or as part of a second disc. UK release The number 1 single Deeper Underground is included as a bonus track on this CD, and is not listed on the back cover, CD, or booklet. A sticker is on the jewel case cover indicating that Deeper Underground is on the CD as a bonus track.