FILE - In a Saturday, Feb. 4, 2012 file photo, singer Dionne Warwick holds her trophy for "Musical Lifetime Achievement" during the 47th Golden Camera award ceremony in Berlin. Warwick has postponed a Valentine's Day concert at at The Palace Theater in Greensburg, western Pennsylvania after the death of her cousin Whitney Houston. Warwick's concert at The Palace Theater will instead be held March 2. Tickets for Tuesday night's concert will be honored for the new show.

FILE-- In a June 1995 file photo Country music legend Waylon Jennings performs in Nashville. The family of Waylon Jennings will soon release later in 2012 for the first time songs that the country music icon recorded shortly before his death 10 years ago.

Ryan Tedder poses backstage with the award for album of the year for "21" at the 54th annual Grammy Awards on Sunday, Feb. 12, 2012 in Los Angeles.

In this magazine cover image photographed by Mert Alas and Marcus Piggott and released by Vogue, singer Adele is shown on the cover of the March issue of "Vogue." The singer vows to "never" write a breakup record again and adds she's "done being a bitter witch."

Models stand in line back stage before the Edun Fall 2012 collection is modeled during Fashion Week in New York, Sunday, Feb. 12, 2012.

FILE - In this March 3, 1988, file photo, Whitney Houston poses with her Grammy at the annual Grammy Awards presentation in New York. Publicist Kristen Foster said, Saturday, Feb. 11, 2012, that singer Whitney Houston has died at age 48.

FILE - In this Sept. 1, 2009 file photo, singer Whitney Houston, right, sings with her daughter Bobbi Kristina Brown during a performance on 'Good Morning America' in Central Park in New York. Whitney Houston, who reigned as pop music's queen until her majestic voice and regal image were ravaged by drug use, has died, Saturday, Feb. 11, 2012. She was 48.

Diana Ross arrives at the Pre-GRAMMY Gala & Salute to Industry Icons with Clive Davis honoring Richard Branson, Saturday, Feb. 11, 2012, in Beverly Hills, Calif.

The L.A.M.B. Fall 2012 collection is modeled during Fashion Week in New York, Saturday, Feb. 11, 2012.

A coroner's van leaves the Beverly Hilton Hotel, Sunday, Feb. 12, 2012, in Beverly Hills, Calif. Whitney Houston, who ruled as pop music's queen until her majestic voice and regal image were ravaged by drug use, erratic behavior and a tumultuous marriage to singer Bobby Brown, died Saturday. She was 48.

A coroner's van leaves the Beverly Hilton Hotel, Sunday, Feb. 12, 2012, in Beverly Hills, Calif. Whitney Houston, who ruled as pop music's queen until her majestic voice and regal image were ravaged by drug use, erratic behavior and a tumultuous marriage to singer Bobby Brown, died Saturday. She was 48.

In this photo provided by the Las Vegas News Bureau, Whitney Houston performs during the Billboard Awards at the MGM Grand in Las Vegas on Dec. 7, 1998. Often referred to as the Queen of Pop music at her best, Houston ex-wife of singer Bobby Brown, died Saturday, Feb. 11, 2012 at the age of 48.

FILE - In this March 25, 2001 file photo, Bobby Brown and his then wife Whitney Houston arrive at Vanity Fair's Oscar party at Morton's in Hollywood on Sunday, March 25, 2001. Houston, who ruled as pop music's queen until her majestic voice was ravaged by drug use and her regal image was ruined by erratic behavior and a tumultuous marriage to singer Bobby Brown, died Saturday Feb. 11, 2012. She was 48.

FILE - In this March 25, 2001 file photo, Bobby Brown and his then wife Whitney Houston arrive at Vanity Fair's Oscar party at Morton's in Hollywood on Sunday, March 25, 2001. Houston, who ruled as pop music's queen until her majestic voice was ravaged by drug use and her regal image was ruined by erratic behavior and a tumultuous marriage to singer Bobby Brown, died Saturday Feb. 11, 2012. She was 48.

Alicia Keys, left, hugs Clive Davis at the loading dock outside the Beverly Hilton Hotel Saturday Feb. 11, 2012 in Beverly Hills Calif. Whitney Houston, who ruled as pop music's queen until her majestic voice and regal image were ravaged by drug use, erratic behavior and a tumultuous marriage to singer Bobby Brown, died Saturday. She was 48.

In this Sunday, Nov. 22, 2009, file photo, Artist Whitney Houston performs onstage at the 37th Annual American Music Awards in Los Angeles. Houston died Saturday, Feb. 11, 2012, she was 48.

In this Thursday, Feb. 9, 2012 photo, singer Jennifer Hudson poses at The Pan African Film & Arts Festival's opening night premiere of Screen Gems' "Think Like a Man" in Los Angeles.

In this frame grab from a December 2011 video provided by Morten Traavik of the Barents Spektakel festival, North Korean accordion players perform "Take on Me," by A-ha, in Pyongyang, North Korea. Organizers of the Barents Spektakel festival said the five North Korean accordion players provided the soundtrack Saturday, Feb. 11, 2012, as 250 Norwegian border guards formed a human canvas by holding up colored cards in shifting patterns — a tradition in the reclusive communist country.

In this undated image released by Beyonce.com, Blue Ivy, the daughter of rapper Jay-Z and his singer wife Beyonce Knowles, is shown in a recent family photo. Photos of the 1-month-old were posted by her parents on Tumblr blog page http://helloblueivycarter.tumblr.com. A hand-written note accompanying the photos reads, "We welcome you to share our joy." (AP Photo/Ed Burke for Beyonce.com) MANDATORY CREDIT

FILE - In this Feb. 13, 2011 file photo, producer Clive Davis shares a moment with singer Whitney Houston performs at the pre-Grammy gala & salute to industry icons with Clive Davis honoring David Geffen in Beverly Hills, Calif. The demand is overwhelming for Clive Davis' annual pre-Grammy gala. The gala has featured performances from top acts like Whitney Houston, Aretha Franklin and Carlos Santana. This year, The Kinks will take the stage to play a medley of their hits, with the help of Jackson Browne and Elvis Costello. Mumford & Sons are hoping to arrive in time to get in on the performance, Davis said.

Honoree Tony Bennett arrives at the Los Angeles Confidential Magazine 2012 Grammys Celebration in Beverly Hills, Calif., Thursday, Feb. 9, 2012.

FILE - In this Feb. 5, 2012 file photo, Madonna, center, performs with Nicki Minaj, left, and M.I.A. during halftime of the NFL Super Bowl XLVI football game between the New England Patriots and the New York Giants in Indianapolis. Madonna says she's not happy that M.I.A. made an obscene gesture during the Super Bowl halftime show. Madonna said on Ryan Seacrest's radio show Friday, Feb. 10, that the gesture was pointless and “seemed out of place.” The British hip-hop artist, invited by Madonna to participate in Sunday's halftime show in front of 114 million people, extended her middle finger to the camera.

FILE - In this Jan. 15, 2012 photo, Mary J. Blige arrives at the 69th Annual Golden Globe Awards in Los Angeles. Blige brought out plenty of emotion as she performed in front of a packed house to support one of her favorite charities. Blige sang several of her most famous songs including "No More Drama" and "Family Affair" at the Avalon nightclub on Thursday, Feb. 9, 2012, to support the (RED) campaign that raises money to fight AIDS and HIV. She has supported the charity for years. The singer gave a few emotional speeches where she talked about the importance of giving back.

In this photo provided by the Metropolitan Opera, Stephanie Blythe performs as Amneris in Verdi's "Aida" during a dress rehearsal at the Metropolitan Opera in New York City on February 2, 2012.

FILE - In this April 2, 2011 file photo, Will.i.am of the Black Eyed Peas arrives at Nickelodeon's 24th Annual Kids' Choice Awards in Los Angeles. Will.i.am is hosting a concert to benefit his i.am.angel foundation on Thursday, Feb. 9, 2012.

FILE - In this Sept. 11, 2006 file photo, singer Chan Marshall, also known as Cat Power, poses for a photo in New York. American musician Cat Power has canceled her show in Israel, joining a list of artists shunning the country over its conflict with the Palestinians. Marshall, better known by her stage name Cat Power, was to perform in Tel Aviv on Sunday. But she tweeted on Friday, Feb. 10, 2012 that due to "much confusion" she felt she could not play for her Israeli fans and that she felt "sick in her spirit."

This undated photo provided by the Los Angeles Police Department Thursday, Feb. 9, 2012, shows Robert Dewey Hoskins who was convicted a year ago on charges of threatening to kill singer Madonna. Dewey walked away from a Los Angeles-area state mental hospital last week. Los Angeles police say Robert Dewey Hoskins left the state hospital Friday. He had been committed there last year. Hoskins served a 10-year prison sentence for stalking and threatening Madonna after being convicted by a jury in 1996.

FILE - In this March 21, 2011 file photo, singer Chris Brown makes an appearance on BET's "106 & Park" show in New York. Brown, who will perform at this year's Grammy Awards, is also nominated in three categories.

FILE - In this July 15, 2011 file photo, Chris Brown performs on NBC's Today Show in New York. A Los Angeles judge said Thursday, Feb. 9, 2012, that Brown should remain on supervised probation until he finishes his community labor obligations, despite a request from the singer's attorney to relax his release terms due to his successful compliance with his sentence.

In this photo made on Wednesday, Feb. 8, 2012, Pittsburgh Symphony Orchestra music director Manfred Honeck talks about the audition contest for soloists they will be holding on YouTube as he stands in front of the stage before a rehearsal at Heinz Hall in Pittsburgh. The orchestra will be selecting an instrumental soloist in part by having the public vote on video performance clips, and the winner gets $10,000 and a paid trip to perform with the orchestra at Heinz Hall this fall.