Billboard Bits serves up the best bite-sized nuggets of music news and gossip.

Lil Wayne Helps Universal Lock Down Top Four Spots on R&B/Hip-Hop Chart
Universal Republic becomes the first record company to lock down the top four spots on Billboard's Mainstream R&B/Hip-Hop airplay chart in nearly six years. As it did a week ago, Universal Republic holds down positions 1 to 3, respectively, with "I'm On One" by DJ Khaled featuring Drake, Rick Ross & Lil Wayne (on We the Best/Young Money/Cash Money), "How to Love" by Lil Wayne (Cash Money) and "Motivation" by Kelly Rowland featuring Lil Wayne (Universal Motown). Jumping up 5-4 is Nicki Minaj with "Super Bass" (Young Money/Cash Money) -- which doesn't feature Wayne, but he's Minaj's mentor, frequent collaborator and, since Young Money is his label, basically her boss. Read the full story at Billboard.biz.

The Jonas Brothers Will Reunite 'Eventually'
The Jonas Brothers may not be making music together right now, but fans can expect more from the trio in the future. "Definitely, me and my bros, we are gonna make another project eventually," Joe Jonas said. "Right now, we're just focused on the side projects and the individual stuff we're doing." Joe has a solo album coming out this fall and younger brother Nick has already released his own album, and is now writing and producing for other artists. The 21-year-old middle JoBro gave a vague timeframe for the new project, saying, "In the next few years or a year or so, we're gonna make more music together." (MTV)

Sam Ronson Charged with DUI
Following her arrest outside Baker, Calif., last week, celebrity DJ Sam Ronson has been officially charged with two counts of driving under the influence (DUI). Ronson, whose blood alcohol level was over .08, could face up to six months in jail and a $1,000 fine, if convicted. (TMZ)

Foo Fighters Add Madison Square Garden, D.C. Dates to Tour
Fresh off their rain-soaked, headlining gig at Lollapalooza, Foo Fighters have announced two big venues to their upcoming U.S. tour. Dave Grohl and company will make stops in Washington, D.C.'s Verizon Center on November 11 and New York City's Madison Square Garden on November 13. The U.S leg of their worldwide arena tour still begins on September 14 in St. Paul, Minnesota and ends on November 16 in Boston. The Joy Formidable and Social Distortion open.

Musicians Join Clean-Up Efforts Following London Riots
Musicians have been stepping up in Britain to help the clean-up efforts following the London riots that broke out on Saturday (Aug. 6). Kate Nash, the Kaiser Chiefs' Ricky Wilson & Simon Rix, and a handful more have all tweeted that they are out in the community, helping alongside volunteers. (NME)

Odd Future Book Dropping In November
Odd Future will release a book, titled "Golf Wang," Nov. 15 via Picturebox. The book will catalog their design, writing and photography, some of which can be seen on the group's Golf Wang Tumblr account. The first 500 book pre-orders will recieve a photo print titled "Bleeding Fan," signed by group leader Tyler, the Creator. (Pitchfork)

(Reporting by Silvio Pietroluongo, Sarah Maloy, Alec Bojalad and Erica Thompson)