Billboard Bits: Mack Maine Talks 'Carter IV' First Single, Rihanna Announces Fall 2011 UK Tour

Lil Wayne'Tha Carter III' (2008)1,006,000 albums sold week of 6/28/08*Sales data courtesy of Nielsen Soundscan

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

Mack Maine: Lil Wayne's 'Carter IV' First Single is '6'7"'

Rapper Mack Maine has revealed that the first single to Lil Wayne's much-anticipated next album, "Tha Carter IV," will be called "6'7"" and will be released before the end of the year. Lil Wayne, who was released from prison on Nov. 4, will also be shooting a video for the single soon. Mack Maine says that "three major producers" are attached to the follow-up to 2008's "Tha Carter III." ( MTV)

Rihanna Announces 2011 U.K. Fall Tour

Rihanna has announced the initial dates of a fall 2011 U.K. tour. The six-date tour kicks off in London at the O2 Arena on Oct. 5 ,and will finish up in Newcastle at the Newcastle Metro Radio Arena on Oct. 16. Tickets for the tour will go on sale this Saturday (Dec. 11) at 9 a.m. (GMT). (NME)

"Buy Life" Charity Campaign Helped By Billionaire

Lady Gaga, Alicia Keys and other musicians are back on Twitter thanks to Stewart Rahl, a pharmaceutical entrepreneur who donated to $500,000 to Keep A Child Alive's "Buy Life" campaign. The celebrities had vowed not to return to Twitter until the campaign raised $1 million, although the total was only at $300,000 as of noon on Monday. Ryan Seacrest gave a "special shout out to Stewie Rah Rah" for helping "Buy Life" reach their total and allowing the celebs to return to Twitter. ( The Hollywood Reporter)

Nils Lofgren Issues Open Letter Against Michael Vick

Guitarist Nils Lofgren, best known for playing in Bruce Springsteen's E Street Band, issued an open letter to ESPN on Friday against Philadelphia Eagles quarterback Michael Vick, who was imprisoned for his involvement in a dogfighting ring. "I am so disheartened and disappointed by your collective, lopsided praise of Michael Vick due to his recent spectacular on-field performance," Lofgren wrote. "Just because the NFL lost its spine and common sense on this matter doesn't mean you reporters have to get in line and go along." ( ESPN)

Cheap Trick Announce "Dream Police" Shows

Cheap Trick has announced a string of shows that will showcase songs from their 1979 album "Dream Police" alongside the Rhythmic Noise Philharmonic Orchestra and Mind Choir. The run will kick off Jan. 20 and include 12 shows at the Northern Lights Theater at Potawatomi Bingo Casino in Milwaukee, Wi.

Peter Bjorn and John, Rural Alberta Advantage Return with New Albums

The Q1 indie-rock release calendar is starting to take shape, with "Young Folks" auteurs Peter Bjorn & John returning with the release of their still-untitled sixth album on March 29, 2011. Meanwhile, the Rural Alberta Advantage will issue new album "Departing" on March 1 on Saddle Creek Records.

Girl Talk Gets Honorary Day in Pittsburgh

Mash-up extraordinaire Gregg Gillis, AKA Girl Talk, was honored today (Dec. 7) in his hometown of Pittsburgh for his music accomplishments and "hometown support." The Pittsburgh City Council officially named Dec. 7 "Gregg Gillis Day" at the official ceremony held this morning. Girl Talk also played two sold-out shows this weekend (Dec 3 and 4) at the brand new Stage AE amphitheater in Pittsburgh.

(Reporting by Jason Lipshutz, Walter Frazier, Emma Gaedeke and Megan Vick)