According to Billboard magazine, in its first ten years, "Idol has spawned 345 Billboard chart-toppers and a platoon of pop idols, including Kelly Clarkson, Carrie Underwood, Katharine Mc Phee, Chris Daughtry, Fantasia, Ruben Studdard, Jennifer Hudson, Clay Aiken, Adam Lambert and Jordin Sparks while remaining a TV ratings juggernaut." For an unprecedented eight consecutive years, from the 2003–04 television season through the 2010–11 season, either its performance or result show had been ranked number one in U. Television producer Nigel Lythgoe saw a version in Australia and helped bring it over to Britain.Fuller was inspired by the idea from Popstars of employing a panel of judges to select singers in audition.Guest judges were used in the audition rounds for seasons four, six, nine, and fourteen such as Gene Simmons and LL Cool J in season four, Jewel and Olivia Newton-John in season six, Shania Twain in season eight, Neil Patrick Harris, Avril Lavigne and Katy Perry in season nine, and season eight runner-up, Adam Lambert, in season fourteen.
The eligible age-range for contestants was fifteen to twenty-eight years old. residents, could not have advanced to particular stages of the competition in previous seasons, and must not have held a current recording or talent representation contract by the semi-final stage Contestants went through at least three sets of cuts.
The initial age limit was sixteen to twenty-four in the first three seasons, but the upper limit was raised to twenty-eight in season four, and the lower limit was reduced to fifteen in season ten. The first was a brief audition with a few other contestants in front of selectors which may include one of the show's producers.
The concept of the series involves discovering recording stars from unsigned singing talents, with the winner determined by the viewers in America through telephones, Internet, and SMS text voting.
Winners chosen by viewers in its fifteen seasons were Kelly Clarkson, Ruben Studdard, Fantasia, Carrie Underwood, Taylor Hicks, Jordin Sparks, David Cook, Kris Allen, Lee De Wyze, Scotty Mc Creery, Phillip Phillips, Candice Glover, Caleb Johnson, Nick Fradiani, and Trent Harmon.
The judging panel for the final seasons on Fox consisted of country singer Keith Urban, singer and actress Jennifer Lopez, and jazz singer Harry Connick, Jr.
The first season was hosted by radio personality Ryan Seacrest and comedian Brian Dunkleman, with Seacrest as the sole master of ceremonies for the rest of the series.The show decided to continue with the three judges format until season eight.All three original judges stayed on the judging panel for eight seasons.He then added other elements, including telephone voting by the viewing public (which, at the time, was already in use in shows, such as the Eurovision Song Contest), the drama of backstories, and real-life soap opera unfolding in real time.The show was renamed American Idol: The Search for a Superstar and debuted in the summer of 2002.The show grew into a phenomenon largely due to its personal engagement of the contestants, thereby prompting viewers to vote, and the presence of the acid-tongued Cowell as a judge. The show had originally planned on having four judges following the Pop Idol format; however, only three judges had been found by the time of the audition round in the first season, namely Randy Jackson, Paula Abdul and Simon Cowell.