Mariah Carey (born March 27 1970) is an American singer, songwriter, record producer, music video director and actress. Her debut was in 1990 under the guidance of Columbia Records executive Tommy Mottola and became the first recording act to have its first five singles top the U.S. "Billboard" Hot 100 chart. Following her marriage to Mottola in 1993, a series of hit records established her position as Columbia's highest-selling act.

Christina María Aguilera, born December 18 1980, is an American pop singer and songwriter. She was signed to RCA Records after recording "Reflection" for the film "Mulan". She came to prominence following her debut album "Christina Aguilera" (1999), which was a critical and commercial success. A Latin pop album "Mi Reflejo", and a Christmas album, "My Kind of Christmas", …

Adam Lopez Costa (referred to as Adam Lopez), (born August 26 in Brisbane, Australia) is a pop musician, opera singer, vocal coach, and session vocalist. He is noted for his ability to produce extremely high notes in his whistle register and for his extensive vocal range, which is said to expand to more than seven octaves. He is currently a Guinness World Record holder for singing the highest note by a male - a half step above the C in the 8th octave (C#8).

Minnie Julia Riperton was an American soul singer from Chicago, Illinois, most noted for her abilities in the whistle register and her 1975 hit single "Lovin' You". Possessing a rare five-octave vocal range, she displayed the ability to imitate instrumentation and even birds.

Yma Súmac, also earlier spelled Ymma Sumak (from "Ima Shumaq", Quechua for "how beautiful!") or Imma Sumack, is a noted vocalist of Peruvian origin. In the 1950s, she was one of the most famous proponents of exotica music, and became an international success based on the merits of her wide-ranging voice, which ranges "well over three octaves" and was commonly claimed to span four and five octaves at its peak.

Jill Scott (born April 4 1972) is a Grammy Award-winning American soul, R&B, jazz, and neo soul singer and songwriter.

Dorico Alonzo Tyree (born on March 28, 1983 in Washington, D.C.) is an R&B singer, songwriter and record producer. He is known for his expansive vocal range, which spans more than 6 octaves, as well as his ability to sing in the whistle register. Tyree, who also goes by the stage name Tireh, was discovered by R&B recording artist, Ginuwine. He currently owns mansions in Orlando, Florida and Houston, TX.

Georgia Brown is a Brazilian pop singer notable for her extensive vocal range. She is the current "Guinness World Records" holder for singing the highest recorded vocal note and also possessing the largest recorded vocal range, which spans exactly 8 octaves from G2-G10. G10 is out of the human hearing range; thus, it has been verified by comparing the frequency of the note to that of a piano, a violin, and a hammond organ, …

Melanie Jayne Chisholm (born January 12, 1974 in Whiston, Merseyside) is an English singer-songwriter most famous as one of the five members of the British girl group the Spice Girls, where she is known as "Sporty Spice". She is also known as Melanie C or Mel C. As a solo artist she has released four albums and was nominated for a BRIT Award. Chisholm has co-written eleven UK number-one singles - second only to Madonna for a female artist.

Sebastián Martín Vilas is an Argentine singer notable for his ability to sing in the seventh octave.

Tara Leslye Kemp (born May 11 1970 in Livermore, California) is an American pop and R&B singer. She best known for releasing the single entitled, "Hold You Tight" in 1991. This single written by singer-songwriter Will Hammond Jr.,went gold and reached the number 3 spot on Billboard's Hot 100. It was followed with yet another Top 10 single entilted, "Piece of My Heart"," which reached number 7. Tara's quick success was soon eclipsed after her third single, …