Question: Are Dave Evans and Gwen Stefani both musicians?

Context paragraphs:
The Sweet Escape (song): "The Sweet Escape" is a song by American singer and songwriter Gwen Stefani from her second studio album of the same name (2006).  It was written by Stefani, Akon, and Giorgio Tuinfort.  Akon, who is also a featured artist, developed the song's beat before collaborating with Stefani.  He designed it based on her previous work with No Doubt, and Stefani later commented that it put her "on the yellow brick road to the No Doubt record I might do".  "The Sweet Escape" is an apology for a fight between two lovers and describes a dream of a pleasant life for them.  As the album's title track, its title was chosen to help market Stefani's music and fashion lines.

Spark the Fire: "Spark the Fire" is a song recorded by American singer and songwriter Gwen Stefani.  The song was released on December 1, 2014.  It was originally intended to be featured on Stefani's third studio album "This Is What the Truth Feels Like," but it was scrapped in favor of new material.  Stefani wrote "Spark the Fire" in collaboration with the song's producer Pharrell Williams.  It is a dance-pop and hip hop track that incorporates funk.  Along with the previous single, "Baby Don't Lie", the track was marketed as Stefani's musical comeback as a solo artist.

Sunday Morning (No Doubt song): "Sunday Morning" is a song recorded by American rock band No Doubt.  It was released as the sixth single from their third studio album "Tragic Kingdom" (1995).  The single was made available as a CD single, cassette single, and VHS single on May 27, 1997 through Interscope.  Lyrically, the song is about Gwen Stefani's relationship with Tony Kanal, and their breakup that followed.  The track was written by band members Kanal, Gwen Stefani, and Eric Stefani, while production was handled by Matthew Wilder.

Hollaback Girl: "Hollaback Girl" is a song recorded by American singer Gwen Stefani for her debut solo studio album, "Love.  Angel.  Music.  Baby. " (2004).  As part of Stefani's vision of creating "a silly dance record", "Hollaback Girl" is a hip hop song that draws influence from 1980s hip hop and dance music.  The song was written by Stefani, Pharrell Williams and Chad Hugo, supposedly as a response to Courtney Love's statement that Stefani was a "cheerleader" in an interview with "Seventeen" magazine.  The song was released as the album's third single on March 15, 2005, and was one of the year's most popular songs, peaking inside the top 10 on the majority of the charts it entered.  It reached number one in Australia and the United States, where it became the first digital download to sell one million copies.

This Is What the Truth Feels Like: This Is What the Truth Feels Like is the third studio album recorded by American singer and songwriter Gwen Stefani.  It was released on March 18, 2016 by Interscope Records.  Initially, the album was scheduled to be released in December 2014 with Stefani working with a handful of high-profile producers, and Benny Blanco serving as executive producer.  However, after the underperformance of her 2014 singles and the writer's block Stefani suffered, she did not feel comfortable curating an album and scrapped the whole record in favor of starting again.  The album's release was scheduled after Stefani hinted at it on her Twitter account.

Shine (Gwen Stefani song): "Shine" is a song recorded by American singer Gwen Stefani, featuring collaborative vocals by American entertainer Pharrell Williams.  Originally intended for Stefani's band No Doubt, it was written and produced by Williams, with songwriting contributions from Stefani.  It is a reggae pop and ska song that is featured in the 2014 animated film "Paddington."  The lyrics revolve around the lead character Paddington Bear's journey to London and his identity crisis.  Stefani initially disagreed with Williams' choice to use direct references to Paddington in the lyrics, but praised this decision after watching the film with her children.  She reported that her involvement with the recording was inspired by her then-husband Gavin Rossdale and her children's connection to England.

Long Way to Go (Gwen Stefani and André 3000 song): "Long Way to Go" is a song by American singer-songwriter Gwen Stefani with American rapper André 3000.  The song appears as the closing track on Stefani's debut studio album, "Love.  Angel.  Music.  Baby. " (2004).  It was released on November 23, 2004, along with the rest of "Love.  Angel.  Music.  Baby."  by Interscope Records.  The track was written by both Stefani and 3000, while 3000 was the sole producer of the track.  Despite being scrapped from André 3000's critically acclaimed OutKast studio album, "The Love Below" (2003), Stefani and 3000 finalized a reworked version of the song to be included on the former's album.  The song prominently features a sample from Martin Luther King, Jr.'s "I Have a Dream" speech in its closing outro.  King is not credited for contributed lyrics to the song.  Musically, "Long Way to Go" is influenced by electronic music and alternative hip hop, with partial influence from both dance music and soul music.

Dave Evans (singer): Dave Evans (born 20 July 1953) is an Australian singer who briefly sang for the hard rock band AC/DC in 1973–1974.

Gwen Stefani: Gwen Renée Stefani ( ; born October 3, 1969) is an American singer, songwriter, fashion designer, actress, and television personality.  She is a co-founder and the lead vocalist of the band No Doubt that experienced major success after their breakthrough studio album "Tragic Kingdom" (1995) along with various successful singles, including "Just a Girl", "Don't Speak", "Hey Baby", and "It's My Life".  During the band's hiatus, Stefani embarked on a solo pop career in 2004 by releasing her debut studio album "Love.  Angel.  Music.  Baby. " Inspired by pop music from the 1980s, the album was met with both critical and commercial success.  It spawned three commercially successful singles: "What You Waiting For? ", "Rich Girl", and "Hollaback Girl", the latter reached number one on the "Billboard" Hot 100 while also becoming the first US download to sell one million copies.  In 2006 Stefani released her second studio album "The Sweet Escape".  The album produced two successful singles: "Wind It Up" and the album's title track "The Sweet Escape".  Her third solo album "This Is What the Truth Feels Like" was released in March 2016 and became her first solo number-one album on the "Billboard" 200.

What You Waiting For?: "What You Waiting For?"  is a song by American singer Gwen Stefani from her debut solo studio album, "Love.  Angel.  Music.  Baby. " (2004).  Written by Stefani and Linda Perry, the song is the album's opening track and was released as Stefani's debut solo single.  "What You Waiting For?"  details Stefani's lack of inspiration, fear of producing the album, as well as her reaction to pressures exerted by her record label.  It is primarily an electropop song and introduces Stefani's four back-up dancers, the Harajuku Girls, who had a major input into the album's production.

Supporting paragraphs: Gwen Stefani Dave Evans (singer)
Answer: yes