Kendrick Lamar 's latest non-album single, "i" has a seemingly unlikely sample source, The Isley Brother 's 1973 Soul-Funk hit, "[Who's] That Lady," which many of you may recognize from Swiffer 's hilarious long-standing "Who's That Lady" campaign. Right off the bat, "i" itself is more blatantly "commercial" than the combined the whole of it's predecessor good kid, m.A.A.d city (2012), but in the best way humanly possible. It's almost reminiscent of OutKast or even Native Tongues' 90's era brand of light-heated "conscious rap." Kendrick Lamar has supposedly recorded about 30 tracks for his as-yet-untitled second album, including "a bunch of tracks" with Dr. Dre . "Lamar says to expect "aggression and emotion" from the album, as well as some straight-up freestyling" laments a recent Rolling Stone profile; "if I can say anything about this record...