Question: Are both David Cook and Steve Burns singers?

Context articles: Permanent (song)
List of songs written and performed by David Cook
Light On
Andy Skib
Come Back to Me (David Cook song)
Steve Burns
David Cook (album)
Neal Tiemann
Temple of Death
David Cook (singer)

"'Permanent" is a song recorded by American rock singer David Cook.
 Written by Cook, Chantal Kreviazuk, and Raine Maida, its lyrics make allusions to Cook's late brother, Adam, who had battled with brain cancer before his death from this disease.
 The song was performed on the finale of season 8 of the TV show "American Idol", and the performance then released onto iTunes as a charity single via RCA Records on May 18, 2009.
 It also appears on his debut studio album, "David Cook" (2008).
The list of songs written and performed by David Cook comprises original songs recorded by American singer-songwriter David Cook for his studio albums, cover versions of songs by other artists performed by Cook, and original songs written by Cook that were recorded and released by other artists.
"Light On" is the first official single released from "American Idol" season 7 winner David Cook's major label debut studio album, "David Cook" (2008).
 It was released through RCA Records on September 30, 2008.
 The song reached No. 17 on the "Billboard" Hot 100 and was certified Platinum by the RIAA.
Andy Skib (born November 9, 1985, San Diego, California) is the lead singer of the rock band Midwest Kings (MWK).
 He spent most of 2009 on the Declaration Tour with "American Idol" season seven winner David Cook.
 Skib has previously co-written songs with former David Cook bandmate Neal Tiemann, who also served as lead guitarist for their band, Midwest Kings (MWK).
 Additionally, he has co-written songs with artists Zac Maloy (The Nixons), Hanson, Graham Colton, and Jaret Reddick (Bowling for Soup).
 Skib is also known for his most recent solo project, To Have Heroes.
 Skib is a member of David Cook's band, The Anthemic, providing rhythm guitar, keyboards and backup vocals.
 Skib and the rest of The Anthemic worked on Cook's second album for 19/RCA Records.
 The album, entitled "This Loud Morning", was released on June 28, 2011.
"Come Back to Me" is the second official single released from "American Idol" season 7 winner David Cook's major label debut studio album, "David Cook" (2008).
 It was released as a joint double-A single with "Bar-ba-sol".
Steven Michael "Steve" Burns (born October 9, 1973) is an American entertainer, actor, guitarist, musician and singer.
 He is known as the original host of the long-running children's television program "Blue's Clues" from 1996 to 2002 and was nominated for a Daytime Emmy for his performance on the show in 2001.
David Cook is the first major-label studio album from seventh season "American Idol" winner David Cook.
 The album was released on November 18, 2008, in the United States by RCA Records.
 It was certified platinum and has sold over one million copies in the United States.
 It has produced two top twenty singles, "Light On" and "Come Back To Me".
 The single "The Time of My Life" has also been certified platinum by the RIAA. "
Light On" was certified platinum in January 2010.
Neal Tiemann (born December 22, 1982 in Dallas, Texas) is an American musician, currently the lead guitarist and songwriter of the rock band the Midwest Kings (MWK), and guitarist for groove metal band DevilDriver.
 From 2008 to 2011 he serve as the lead guitarist for David Cook's band The Anthemic.
 He spent most of 2009 on the Declaration Tour with Cook and served as the tour's music director.
 Tiemann played guitar on Cook's major label debut album "David Cook" (2008) as well as his independently released "Analog Heart" (2006).
 He has also played on Burn Halo's 2009 "self-titled album" and Bryan Jewett's album "A Brief Look at the New You".
 Tiemann and the rest of The Anthemic worked on Cook's second album, "This Loud Morning" (2011).
Temple of Death is a "Dungeons & Dragons" adventure module designed by David Cook for use with the "D&D Expert Set".
 It was written by David Cook and published by TSR, Inc. in 1983.
 The module is intended for player characters of levels 6-10.
David Roland Cook (born December 20, 1982) is an American rock singer-songwriter, who rose to fame after winning the seventh season of "American Idol" in 2008.
 Prior to "Idol" he released an independent album entitled "Analog Heart".
 This was followed by his post-"Idol" major-label debut "David Cook" which was released on November 18, 2008 and has since been certified platinum by the RIAA.
 His second major album "This Loud Morning" was released on June 28, 2011.
 His third post American Idol and fourth overall studio album "Digital Vein" was released on September 18, 2015.