The Ghost in the Machine: The Evolution of Songwriting in Modern R&B

Rapper Chief Keef had some not so kind words for Katy Perry after she tweeted a comment about one of his songs on the radio.

2 Pistols drops the new summer club banger, "Know That," featuring French Montana. The single will appear on Pistols forthcoming album, due out soon.

Rapper/director Feli Fame (formerly known as Felony Fame) delivers the second visual from his "Dirty Laundry" album for the song "Jealousy Turned Love," showing how jealousy can take its course in a friendly relationship.

T.I. is a lost man on a journey in the video for "Hello" from his latest album Trouble Man: Heavy Is the Head . He and Cee-Lo ride "off into the sunset.

After hitting the road with Jay-Z on five Rockafella tours and releasing his Die for a Deal mixtape in late 2012, Brooklyn rhymesayer Livin Proof enlists Chi Ali and Maffew Ragazino for an ode to the birthplace of hip-hop and his home, "Better Known as NYC."

Goodie Mob releases their comeback single "Special Education," a funky and soulful collaboration with songstress Janelle Monae.

Chicago rapper Lupe Fiasco takes his unique style and puts it in the spotlight for his song "Animal Pharm." Inspired by the novel Animal Farm by George Orwell, "Animal Pharm" focuses on how it feels being different than what societal norms dictate.

B.o.B provides a lyrical tale for the short film "Through My Head." In the visuals, produced by Ricardo de Montreuil and Eliz Eskeranli, the hit-making emcee opens the eyes of onlookers by providing the soundtrack to a dramatic short story.

Wale has revealed the track list to his forthcoming third studio album, The Gifted , set to arrive in stores June 25th. So far the only features seems to be Sam Dew and Tiara Thomas, who appears on the lead single " Bad ".

As fans await their upcoming joint tour, America's Most Wanted , rappers T.I. and Lil Wayne has teamed for the brand new track "With Me." On the Lil C-produced track, the Young Money Boss and Grand Hustle head go back and forth as they spit braggadocios