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

Jack White says the White Stripes [1] may reemerge as an active band soon. White thinks his bandmate [2] Meg White has beaten her issues with anxiety, which forced the duo to cancel their last world tour in September 2007.

---
Christina Aguilera [3] is set to release her long-awaited comeback album "Bionic" on June 8, but she'll be debuting some new material [4] live on the MTV Movie Awards two nights earlier. Aguilera's June 6 appearance will be her first on the awards show since 2006.

---
Florence and the Machine [5] used its sold-out European tour opener in Dublin as the opportunity to unveil a new song [6] from the band's highly-anticipated follow-up to "Lungs." She described the new song, "Strangeness and Charm," as "about seven minutes long and pretty relentless."

---
D.A. Pennebaker, the director of such classic rock documentaries as "Don't Look Back" and "Monterey Pop," will oversee the YouTube broadcast [7] of a live concert by The National [8]. The Brooklyn performance, a benefit for the Red Hot Organization, will feature numerous special guests.