A great singer can surprise you through a powerful howl or a quiet whisper.
An iconic singer can leave you emotional, inspired and changed forever.
We asked our readers who were the most legendary singers of their lifetimes.
. This is what they said:
. Photo: Getty Images
. Adam Lambert
Adam Mitchel Lambert (born January 29, 1982) is an American singer, songwriter and actor. Photo: Jack Hall/Getty Images for Pride In London
. Luther Vandross
Luther Ronzoni Vandross Jr. (April 20, 1951 – July 1, 2005) was an American soul and R&B singer, songwriter, and record producer. Photo: Scott Harrison/Getty Images
. Bruce Springsteen
Bruce Frederick Joseph Springsteen (born September 23, 1949) is an American rock singer, songwriter and guitarist. Photo: HANS KLAUS TECHT/APA/AFP via Getty Images
. Christina Aguilera
Christina María Aguilera (born December 18, 1980) is an American singer, songwriter, actress, and television personality. Photo: Gabe Ginsberg/Getty Images for The Latin Recording Academy
. Coldplay
Coldplay are a British rock band formed in London in 1997. They consist of vocalist and pianist Chris Martin, guitarist Jonny Buckland, bassist Guy Berryman, drummer Will Champion and manager Phil Harvey. Photo: MADS CLAUS RASMUSSEN/Ritzau Scanpix/AFP via Getty Images
. David Bowie
David Robert Jones (8 January 1947 – 10 January 2016), known professionally as David Bowie was an English singer, songwriter, musician, and actor. Photo: RALPH GATTI/AFP via Getty Images
. Chester Bennington
Chester Charles Bennington (March 20, 1976 – July 20, 2017) was an American singer who served as the lead vocalist of rock band Linkin Park. Photo: Ethan Miller/Getty Images
. Cliff Richard
Sir Cliff Richard OBE is an Indian-born British singer who holds both British and Barbadian citizenship. Photo: Andreas Rentz/Getty Images
. Bruce Dickinson
Paul Bruce Dickinson (born 7 August 1958) is an English singer, best known as the lead vocalist of the heavy metal band Iron Maiden. Photo: FRANCESCO DEGASPERI/AFP via Getty Images
. Diana Ross
Diana Ross (born March 26, 1944) is an American singer and actress. She rose to fame as the lead singer of the vocal group The Supremes. Photo: Leon Neal/Getty Images
. Celine Dion
Celine Dion (born March 30, 1968) is a French Canadian pop singer known for her vocal prowess and passionate showmanship. Photo: ALICE CHICHE/AFP via Getty Images
. Barbra Streisand
Barbara Joan "Barbra" Streisand (born April 24, 1942) is an American singer and actress. Photo: Jeff Fusco/Getty Images
. Dave Gahan
David Gahan (born May 9, 1962) is an English singer and songwriter, best known as the lead singer of electronic band Depeche Mode since their formation in 1980. Photo: Frazer Harrison/Getty Images for Live Nation
. Billy Fury
Ronald Wycherley (17 April 1940 – 28 January 1983), better known by his stage name Billy Fury, was an English musician. Photo: Keystone
. Adele
Adele (born May 5, 1988) is one of the world's best-selling music artists, with sales of over 120 million records worldwide. Photo: Alberto E. Rodriguez/Getty Images for The Recording Academy
. Dusty Springfield
Mary Isobel Catherine Bernadette O'Brien OBE (16 April 1939 – 2 March 1999), better known by her stage name Dusty Springfield, was an English singer. Photo: Dove/Daily Express/Getty Images
. Frank Sinatra
Francis Albert Sinatra (December 12, 1915 – May 14, 1998) was an American singer and actor. Photo: Daniel Rosenblum/Keystone/Getty Images
. Gene Pitney
Gene Francis Alan Pitney (February 17, 1940 – April 5, 2006) was an American singer-songwriter and musician. Photo: M. McKeown/Express/Getty Images
. Gladys Knight
Gladys Maria Knight (born May 28, 1944), known as the "Empress of Soul", is an American singer, songwriter, actress and businesswoman. Photo: Jon Kopaloff/Getty Images for The Elizabeth Taylor AIDS Foundation
. Eddie Cochran
Ray Edward Cochran (October 3, 1938 - April 17, 1960) was an American rock and roll musician. Photo: Evening Standard/Hulton Archive/Getty Images
. Harry Styles
Harry Edward Styles (born 1 February 1994) is an English singer and actor. Photo: Jeff Spicer/ Getty Images
. Fran Healy
Francis Healy (born 23 July 1973) is a Scottish singer, songwriter and musician. Photo: Stuart C. Wilson/Getty Images
1. This is what they said:
. Photo: Getty Images
2. Adam Lambert
Adam Mitchel Lambert (born January 29, 1982) is an American singer, songwriter and actor. Photo: Jack Hall/Getty Images for Pride In London
3. Luther Vandross
Luther Ronzoni Vandross Jr. (April 20, 1951 – July 1, 2005) was an American soul and R&B singer, songwriter, and record producer. Photo: Scott Harrison/Getty Images
4. Bruce Springsteen
Bruce Frederick Joseph Springsteen (born September 23, 1949) is an American rock singer, songwriter and guitarist. Photo: HANS KLAUS TECHT/APA/AFP via Getty Images
5. Christina Aguilera
Christina María Aguilera (born December 18, 1980) is an American singer, songwriter, actress, and television personality. Photo: Gabe Ginsberg/Getty Images for The Latin Recording Academy
6. Coldplay
Coldplay are a British rock band formed in London in 1997. They consist of vocalist and pianist Chris Martin, guitarist Jonny Buckland, bassist Guy Berryman, drummer Will Champion and manager Phil Harvey. Photo: MADS CLAUS RASMUSSEN/Ritzau Scanpix/AFP via Getty Images