News Bits: Florence Welch Goes Hip-Hop, Arcade Fire Rock for Haiti + More

We always knew Florence was gangsta. It just took A$AP Rocky to bring it out. [Death + Taxes]

Arcade Fire are returning to the stage for a Haitian relief organization. [Consequence of Sound]

Jack White, Mumford and Sons and Alt-J are among the artists up for Brit Awards. [NME]

In other Jack White news, dude sat for a long, long interview with Conan O'Brien. [Pitchfork]

Tampa punk trio Merchandise go all Echo and the Bunnymen on their new 'Anxiety' single. [Stereogum]

Vampire Weekend, Tegan and Sara and Black Lips are headed to Austin for SXSW 2013. [Pitchfork]

The Libertine without the tabloid drug problem has tapped Johnny Marr for his new solo album. [NME]