The Hebrew noun nephesh (נֶפֶש) is a Hebrew word which occurs in the Hebrew Bible (or Old Testament). Though it is commonly rendered as "soul" in English translations, the word refers to the tangible aspects of life, and human beings and animals are both described as having a nephesh.

Cristian Castro (born Cristian Sáez Castro or Cristian Valdez on December 8, 1974 in Mexico City), , referred to as Christian Castro or Cristian is a Grammy Award-nominated Mexican pop singer.

Born in Mexico City, he is the son of renowned actress and singer Verónica Castro and comedian Manuel "El Loco" Valdes. Castro also has a younger brother named Michelle Sáez Castro, his uncle is José Alberto "el Guero" Castro and his aunt is Beatriz Castro, who both are producers. As a baby, he made his acting debut with her during the telenovela named El Derecho de Nacer. Soon after, he appeared on a television commercial with her, and on the Mexican version of the broadway show Mame alongside the prominent actress Silvia Pinal.

Castro is one of the best selling Latin artists and has worked with renowned Latin producers including Kike Santander, Rudy Pérez, and Richard Daniel Roman.

Castro began his singing career in 1992 with the release of Agua Nueva. After appearing in several telenovelas and recording some albums as a teenager, Castro began his "internationalization" in 1993, starting with concerts in Puerto Rico. Castro dedicated a song to that country in his second album, Un Segundo En El Tiempo, titled "Puerto Rico" as a way of thanking the Puerto Rican public for supporting his career. He also modified his singing voice from the deep voice he employed in Agua Nueva to a softer one that he currently uses. His song, Nunca Voy a Olvidarte (I Will Never Forget You), became his first number-one hit at the Hot Latin Tracks charts in 1993 helped launched his career. Castro became an international teen idol and sex symbol almost instantly after he began touring, and he began what has been a fructiferous international singing career.

Peter Gene Hernandez (born October 8, 1985), better known by his stage name Bruno Mars, is an American singer-songwriter and record producer. Raised in Honolulu, Hawaii by a family of musicians, Mars began making music at a young age. He performed in various musical venues in his hometown throughout his childhood. He graduated from high school and then moved to Los Angeles, California to pursue a musical career. Mars produced songs for other artists, joining production team The Smeezingtons.

Mars had an unsuccessful stint with Motown Records, but then signed with Atlantic Records in 2009. He became recognized as a solo artist after lending his vocals and co-writing the hooks for the songs "Nothin' on You" by B.o.B, and "Billionaire" by Travie McCoy. He also co-wrote the hits "Right Round" by Flo Rida featuring Ke$ha, and "Wavin' Flag" by K'naan. In October 2010, he released his debut album, Doo-Wops & Hooligans. Anchored by the worldwide number-one singles "Just the Way You Are" and "Grenade", the album peaked at number three on the Billboard 200. Mars was nominated for seven Grammys at the 53rd Grammy Awards, winning Best Male Pop Vocal Performance for "Just the Way You Are".

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.