Question: Which singer died at the age of thirty, Shaun Morgan or Dave Williams?

Context articles: Reba White Williams
Seasons (Sevendust album)
Dave Williams (singer)
Breakdown (Seether song)
Deviations Project
Shaun Morgan
Broken (Seether song)
Call Me When You're Sober
Sinner (Drowning Pool album)
Rise Above This

Reba White Williams (born May 21, 1936), is an American author, philanthropist, and expert on fine art prints.
 As a novelist, her influences include Agatha Christie and Dorothy L. Sayers.
 She and her husband, Dave H. Williams, built the world's largest private collection of American prints; they also founded the Print Research Foundation.
 She and Dave Williams are also co-creators of The Willie Morris Award for Southern Fiction.
Seasons is the fourth studio album by American heavy metal band Sevendust.
 It would be the band's final album with TVT Records and was dedicated to the memory of Reginald Witherspoon (Lajon Witherspoon's younger brother) and Dave Williams (Drowning Pool's original singer), the former was murdered in November 2002 and the latter died of cardiomyopathy in August 2002.
David Wayne Williams (February 29, 1972 – August 14, 2002) was an American vocalist best known as the lead singer for the heavy metal band Drowning Pool.
"Breakdown" is the third track and the third single from Seether's third album, "Finding Beauty In Negative Spaces".
 Shaun Morgan has stated that the song is about his former girlfriend Amy Lee, but other sources reference a more recent relationship.
 To further the point, Morgan has been quoted saying "Amy and I, at our worst moments, were still better than this last girl and I at our best moments".
Deviations Project is a British electronic music group composed of producer Dave Williams and violinist Oliver Lewis.
 The group blends elements of classical music with electronica; pieces such as Tchaikovsky's "Swan Lake", Bizet's "Carmen" and Bach's "Sonata in Gm" are recreated with modern music technology.
 Contemporary compositions, including Dave Williams' own songs, John Williams’ "Theme From Schindler's List" and Fleetwood Mac's "Albatross" were integrated with classical works on the group's first full-length release, a self-titled LP.
 They have also released the Christmas album "Adeste Fiddles" (a play on Adeste Fideles) and a second album, "Ivory Bow".
Shaun Morgan Welgemoed (] , born 21 December 1978), known publicly as Shaun Morgan, is a South African musician, singer, songwriter and guitarist for the South African rock band Seether.
"Broken" is a song by South African post-grunge and alternative metal band Seether, featuring American singer Amy Lee, the lead singer of Evanescence and then-girlfriend of Seether vocalist Shaun Morgan.
 It was recorded in 2004 and was later included in "Disclaimer II".
 This version includes electric guitar and violins.
 It peaked at number 20 on the "Billboard" Hot 100 and at number 3 on the ARIA Charts.
 It was later certified Gold by the Recording Industry Association of America (RIAA) and Platinum by the Australian Recording Industry Association (ARIA).
 It is the band's biggest pop hit and the band's only top 40 hit, reaching number 20 on the "Billboard" Hot 100 chart.
 Although, until the 2014 release of "Words as Weapons", it was often considered Seether's most popular track and the only song to enter and crossover to the pop and adult contemporary charts, it is not their highest-charting single on the Mainstream Rock Tracks chart and Modern Rock Tracks chart where a few singles, such as "Fine Again" and "Fake It", charted higher.
 Despite this, it was the most played song on most rock radio formats due to the pop success of the song.
 In addition, it still charted highly, peaking at number 9 on the Mainstream Rock Tracks chart and number 4 on the Modern Rock Tracks chart.
"Call Me When You're Sober" is a song by American rock band Evanescence recorded for their second studio album "The Open Door".
 Wind-up Records released it as the album's lead single on September 4, 2006; this release was preceded by the song's Internet leak and its earlier distribution to radio stations on July 31.
 The track was written by group members Amy Lee and Terry Balsamo, while Dave Fortman handled its production.
 Lee revealed that the song was inspired by an unsuccessful relationship, which was later confirmed to be the one with Shaun Morgan, lead singer of the band Seether, who had undergone rehabilitation treatment for battling addictions at the time of its release as a single.
 The track is a nu metal, symphonic rock and electropop piano ballad which lyrically talks about a female protagonist terminating a relationship with a love interest who suffers from an addiction.
Sinner is the debut studio album by American rock band Drowning Pool.
 The album is the band's most popular album, being certified platinum in the same year that it was released in.
 This was due at least in part to "Bodies" which remains the band's most well-known song.
 This is the only studio album by the band to feature original lead singer Dave Williams.
 While touring in support of "Sinner", he died on August 14, 2002 from cardiomyopathy.
 The album debuted at #14 on the "Billboard" 200 chart.
 Drowning Pool released a reissue of the album called the "Unlucky 13th Anniversary Edition" in 2014.
 The album was put at no. 25 on Metal Descent's list "The 25 Best Alternative Metal Albums".
"Rise Above This" is the second single from Seether's album "Finding Beauty in Negative Spaces".
 It is the sixth track on the album and became the band's second consecutive number-one song on the U.S. Modern Rock chart.
 Seether's vocalist Shaun Morgan has stated that the song is about his late brother, Eugene Welgemoed, and was written before his suicide.
 "Rise Above This" was written to bring Eugene out of a depression.