Question: Are David Draiman and Kip Winger both musicians and vocalists?

full_context: Document 1: Device (Device album): Device is the eponymous debut album from American industrial metal band Device, featuring David Draiman of Disturbed and former Filter guitarist Geno Lenardo. It was released on April 9, 2013, with their first single, "Vilify", out on digital download in February 19, 2013. Their second single, "You Think You Know", was released in June 11, 2013.
Document 2: Yip Sai Wing: Yip Sai-wing (born 19 August 1963) is a Hong Kong musician, best known as the drummer and co-founder of the rock band Beyond, formed with the lead vocalist Wong Ka Kui.
Document 3: Vilify (song): "Vilify" is the first single from American industrial metal band Device's studio debut album of the same name"." It was released through Warner Bros. Records on February 19, 2013, and it was produced by David Draiman, who is also the current lead singer of Disturbed, and Geno Lenardo, who is originally the lead guitarist of Filter.
Document 4: Kip Winger: Charles Frederick Kip Winger (born June 21, 1961) is an American rock musician, a member of the rock band Winger, and a solo artist.
Document 5: Dee Snider: Daniel "Dee" Snider (born March 15, 1955) is an American singer-songwriter, screenwriter, radio personality, and actor. Snider came to prominence in the early 1980s as lead singer of the heavy metal band Twisted Sister. He was ranked 83 in the "Hit Parader"<nowiki>'</nowiki>s Top 100 Metal Vocalists of All Time.
Document 6: Seventeen (Winger song): "Seventeen" is a single released by the American rock band Winger, from their album "Winger". Released in 1988, the song charted at No. 26 on the "Billboard" Hot 100. Despite its pop metal sound, Kip Winger points out that the tune is musically a progressive song and that it is actually quite challenging to play and sing simultaneously. Along with Headed for a Heartbreak, it is Winger's most popular song for which they are most remembered.
Document 7: Winger Live: Winger Live is a two CD and DVD live set culled from Winger 2007 US reunion tour and directed by Jack Edward Sawyers. Kip Winger, Reb Beach, Rod Morgenstein and John Roth rip through all the hits, progressive jams and new material taken from their comeback album IV. Keyboardist Cenk Eroglu was not present for this show, despite his appearance on IV. The concert was recorded live straight through with no interruptions at the Galaxy Concert Theater in Santa Ana, California. The cover consists of a checkerboard-style grid of live still frames pulled from the video footage itself.
Document 8: Winger (band): Winger are an American rock band that has combined elements of glam metal and progressive metal. Formed in New York City, Winger gained popularity during the late 1980s and early 1990s. The band's two platinum albums, "Winger" and "In the Heart of the Young", along with charting singles "Seventeen", "Headed for a Heartbreak" and "Miles Away", put the band on the top of the charts by the early 1990s. In 1990, the band was nominated for an American Music Award for "Best New Heavy Metal Band". As the music scene changed in the early to mid-1990s due to the popularity of grunge, the band faded after their third release "Pull".
Document 9: David Draiman: David Michael Draiman (born March 13, 1973) is an American songwriter and the vocalist for the band Disturbed as well as for the band Device. Draiman is known for his distorted voice and percussive singing style. In November 2006, Draiman was voted number 42 on the "Hit Parader"’s ""Top 100 Metal Vocalists of All Time"". Draiman has written some of Disturbed's most successful singles, such as "Stupify", "Down with the Sickness", "Indestructible", and "Inside the Fire".
Document 10: Device (metal band): Device was an industrial metal band started by David Draiman, frontman of the heavy metal group Disturbed. Draiman was approached by Geno Lenardo, former guitarist of Filter, and together they started to work on new material. The two started work on a debut album in June 2012. The result of those sessions, "Device", was released on April 9, 2013. The first single and third track, "Vilify" was released to radio ahead of the album on February 19, 2013, alongside its first music video, directed by P. R. Brown. The second single and the introductory track, "You Think You Know", was released on June 11, 2013, alongside its music video, directed once again by Brown.
Document 11: Madalaine: "Madalaine" the debut single by American rock band Winger, from their self-titled debut album "Winger". Released in 1988, the song reached #27 on the Mainstream rock "Billboard" charts. According to Kip Winger, it was one of the first four songs he and band mate Reb Beach wrote when they first got together, based on a handful of riffs Reb had from when he was younger. Kip figured out how best to arrange the riffs, enabling the pair to complete the song.
Document 12: Disturbed (band): Disturbed is an heavy metal band from Homer Glen, Illinois, formed in 1996. The band includes vocalist David Draiman, bassist John Moyer, guitarist Dan Donegan, and drummer Mike Wengren. Former band members are bassist Steve Kmak and vocalist Erich Awalt.
Document 13: Dave Williams (singer): 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.
Document 14: IV (Winger album): IV is the fourth studio album by American rock band Winger. According to frontman Kip Winger, one morning he "just woke up and heard the new Winger record" in his head, knowing just what he wanted to do with it. It was released in October 2006 on Frontiers Records. The album cover was done by DC comic book artist Ethan Van Sciver known for his artwork on titles such as Green Lantern, Flash, Superman, and Batman. Kip Winger was introduced to Van Sciver by a mutual friend of theirs in Florida.
Document 15: Kipper (musician): Kipper (born Mark Eldridge) is a Grammy-winning guitarist, keyboardist and music producer, known mostly from his cooperation with Gary Numan and Sting. Kipper had his own band, One Nation. After releasing two albums with One Nation he joined the Gary Numan band playing guitar. After realizing his own music was going in a similar direction as Kipper's previous work, Numan asked him to co-produce his 1992 LP "Machine and Soul". The album was a mix of funk, rock and dance pop featuring guitar playing from Kipper. Kipper also contributed to Numan's 1994 album "Sacrifice" although to a much lesser extent. Years later, Kipper helped produce and played keyboards on two of Sting's studio albums "Brand New Day" and "Sacred Love". Both albums have been critically acclaimed and feature a modern fusion of jazz, rock, and electronic and sounds.
ground_truth: yes