Although part one of “20/20” was a throwback record mixed with the futuristic beats of Timberlake’s longtime collaborator Timbaland, it still was an impressive departure from the European flavored sound of Timberlake’s pre-hiatus hit “FutureSex/LoveSounds.” With part two of “20/20”, Timberlake and Timbaland made something that people would have expected from the duo after “FutureSex."