Public Enemy through the years

Public Enemy, clockwise from bottom left: Flavor Flav, Professor Griff, Terminator X, S1W and Chuck D.

Flavor Flav, left, and Chuck D. of the rap group Public Enemy arrive at the MTV Music Awards at Radio City Music Hall on Sept. 8, 1994.

Rapper Flavor Flav, aka William Drayton, is photographed in New York on August 1994.

Chuck D. speaks to Columbia University students on April 28,1998.

Public Enemy performs during the "Save CBGB's" rally in New York's Washington Square Park on Aug. 31, 2005.

Flavor Flav, right, and Chuck D on stage at the Hard Rock Cafe in Times Square on Oct. 31, 2006.

Public Enemy's Chuck D, left, and Flavor Flav perform at the South by Southwest Music Festival in Austin, Texas, on March 16, 2007.

Public Enemy shows off at the BET Awards in Los Angeles on June 26, 2007.

Flavor Flav performs as part of a tribute to James Brown during the 7th annual BET Awards in Los Angeles on June 26, 2007.

Chuck D performs at the BET Awards in Los Angeles on June 26, 2007.

Chuck D and Flavor Flav of Public Enemy perform during the Vegoose music festival in Las Vegas on Oct. 27, 2007.

Flavor Flav, left, and Chuck D of Public Enemy perform during the Virgin Mobile Freefest concert at Merriweather Post Pavilion in Columbia, Md., on Aug. 30, 2009.

Flavor Flav of Public Enemy performs during the Virgin Mobile Freefest at Merriweather Post Pavilion in Columbia, Md., on Aug. 30, 2009.

Flavor Flav performs with Public Enemy at Bonaroo in Manchester, Tenn., on June 12, 2009.

Rappers Flavor Flav, left, and Chuck D of Public Enemy perform at the 2009 VH1 Hip Hop Honors at the Brooklyn Academy of Music on Sept. 23, 2009.

Public Enemy's Flava Flav performs in Prague, Czech Republic on Oct. 31, 2010.

Chuck D of Public Enemy performs at Irving Plaza. The rapper said he organized the Hip Hod Gods Tour, which also featured Schoolly D, Monie Love and other more socially conscious rappers, to be like the Monsters of Rock shows he heard about when he was growing up on Long Island on Nov. 29, 2012.

Public Enemy performs at the South by Southwest Music Festival in Austin, Texas, on March 14, 2013.

Flavor Flav holds an award on stage as Public Enemy is inducted into the Rock and Roll Hall of Fame during the Rock and Roll Hall of Fame Induction Ceremony at the Nokia Theatre in Los Angeles on April 18, 2013.

From left, Chuck D, Flavor Flav and Professor Griff of Public Enemy perform during their induction at the Rock and Roll Hall of Fame Induction Ceremony at the Nokia Theatre in Los Angeles on April 18, 2013.