The announcement of Justin Timberlake's comeback single featuring Jay-Z due later today has taken the interwebs by storm. Now, sources close to the artist confirm that JT is crafting an all-new album, entirely produced by Timbaland. It has also been revealed that the followup to his 2006 effort FutureSex/LoveSounds has been in the works for a while, and a total of 20 songs are set to be included. No further details have been shared so far, but we sure will keep you posted.