Aubrey Singer (21 January 1927 – 26 May 2007) was a British broadcasting executive. He was the controller of BBC Two from 1974 until 1978, who replaced Robin Scott and was replaced himself by Brian Wenham.

Prior to that appointment, he was head of the Features Group which included Science & Features, Arts Features, and General Features. This group largely made documentary programmes. Singer took the lead in finding international funding for very ambitious co-productions, leading to the so-called 'Science Spectaculars' written by Nigel Calder, and then the 13-part "personal view" series such as Civilisation (1969) and The Ascent of Man (1973).

He was also largely responsible for the historic 1967 Our World global satellite broadcast, which featured The Beatles.

Katheryn Elizabeth Hudson (born October 25, 1984), known by her stage name Katy Perry, is an American singer, songwriter and actress. Perry grew up with gospel music, and during her first year of high school she pursued a music career as Katy Hudson, releasing her first studio album called Katy Hudson which failed to chart. She recorded a solo album later, which was never released. After signing with Capitol Music Group in 2007, her fourth record label in seven years, she adopted the stage name Katy Perry.

She first gained recognition with the release of her first mainstream album, One of the Boys in 2008, which spawned three Billboard Hot 100 top-ten songs—"I Kissed A Girl", "Hot n Cold" and "Waking Up In Vegas". Perry supported the album with her Hello Katy Tour. In 2010, her third studio album, Teenage Dream (2010), which topped the Billboard 200 chart, and spawned five number one singles—"California Gurls", "Teenage Dream", "Firework", "E.T." and "Last Friday Night (T.G.I.F.)"—Teenage Dream was the only album (after Michael Jackson's Bad)—to do so, and the first female in history to achieve this milestone. She embarked on the California Dreams Tour, which grossed nearly $60 million worldwide. Perry re-released the album under the name of Teenage Dream: The Complete Confection on March 26, 2012, and the re-release has already spawned the number-one single "Part of Me".

Carrie Marie Underwood (born March 10, 1983) is an American country singer, songwriter and actress who rose to fame as the winner of the fourth season of American Idol, in 2005. Underwood has since become a multi-platinum selling recording artist, a winner of several Grammy Awards, Billboard Music Awards and American Music Awards, a Golden Globe Award nominee, a three-time Academy of Country Music and Country Music Association Female Vocalist winner, and a two-time ACM Entertainer of the Year. She is the first-ever female artist to win back-to-back Academy of Country Music (ACM) Awards for Entertainer of the Year (2009/10). Underwood was inducted into and became a member of the Grand Ole Opry in 2008. She was also inducted into the Oklahoma Music Hall of Fame in 2009.Billboard named Underwood Country Music's reigning Queen in 2012.

Aubrey Morgan O'Day (born February 11, 1984) is an American singer, actress, fashion designer, television personality, and former member of the girl group Danity Kane. Following discord among the group and with her mentor at the time, P. Diddy, O'Day was fired from the group in 2008. She has since signed a solo record deal and made numerous appearances on reality television shows, including being on the Celebrity Apprentice in 2012.

O'Day has also modeled for magazines such as Blender and Playboy, and has performed on Broadway in Hairspray.

O'Day began performing at age five. "I lived on the stage, and even at six, slept behind the seats of the theatre," she stated in an interview. According to her mother, when O'Day was four, she was at a performance of The Nutcracker and started to cry. Her mother asked her what was wrong and O'Day replied, "I'm sad that I'm sitting here and not up on stage." O'Day recalls that moment as the one in which she "officially" realized her love for entertainment.

Jonny Blu is a singer/songwriter who was born and raised in Los Angeles, but made his professional debut into the music world in China. Jonny successfully entered the music scene in Hong Kong and became the first ever (Caucasian) non-Chinese pop star in the Chinese music world.^{[citation needed]} From his first Mandarin Chinese Pop album Jonny Blu-On The Edge|藍強-刀鋒, Jonny's self-penned songs On The Edge|刀鋒, Crossroads|十子路口 and The Apology|對不起妳 were Top Ten hits in the Chinese Music and Music Video charts. He is now in the United States making waves in the Swing Pop world. With a style similar to that of Michael Bublé, Harry Connick Jr. and Jamie Cullum, in December 2006 Jonny released his debut swing/pop album In Just That Kind of a Mood, featuring mostly original songs written by Jonny. In June 2008, Jonny released an EP titled In A Groove also featuring new original songs written by Jonny and co-produced with LA based music producer, Myke Aaron. On September 8, 2009, Blu released his third studio album (in the U.S.), Taboo! (produced by Peer Music and with arrangements by Bob Malone) and is on tour promoting the album through 2010.