Question: Svetha Rao, professionally known as Raja Kumari, is an Indian American songwriter, rapper and recording artist from Claremont, California, Kumari is best known for her collaboration with notable artists including Gwen Stefani, she is a co-founder and the lead vocalist of which band?
Context: Chuckey Charles is an American songwriter, composer, arranger and top charting Music "Billboard" music producer that moves fluidly from Pop to Rap to R&B, and has produced, written and worked with Grammy winning Songwriters, artist, and Producers from Sean Garrett (Beyoncé Knowles, Janet Jackson, Jamie Foxx) Usher Raymond and Dallas Austin (Gwen Stefani, TLC, etc.. .)  to writer/producer Jerry Ragavoy (The Rolling Stones, Janis Joplin, etc.. .) .  He's also produced the soulful sounds of Hidden Beach recording artist Kindred the Family Soul to the Pop/R&B sounds of Capitol Records group Vega, Rap artist Loon and "This Is How We Do It" crooner Montell Jordan to name a few.  Chuckey Charles was born December 18, 1970 in Chicago, Illinois.  He first became interested in music at a very young age, where he started playing the guitar at 6 and gradually moving on to the piano at the young age of 9.  Throughout his elementary and high school years he attended Rockford, Illinois C.A.P.A. school for the creative and performing arts.  He continued his musical interest where he became the composer of many musical compositions scored along with his orchestra instructor.  After graduating from high school and attending a brief stint in college majoring in music theory, Chuckey Charles started to focus on larger aspirations of the music business and industry. "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. Svetha Rao (born January 11, 1986), professionally known as Raja Kumari ('The princess' in Sanskrit), is an Indian American songwriter, rapper and recording artist from Claremont, California.  Kumari is best known for her collaboration with notable artists including Gwen Stefani, Iggy Azalea, Fifth Harmony, Knife Party, and Fall Out Boy.  She is also notable for receiving as a songwriter, the BMI Pop Awards in 2016, being nominated to a Grammy award in February 2015, and featuring on BBC Asian Network programme "Bobby Friction" on July 5, 2016. "Kings Never Die" is a song by American rapper Eminem, from the soundtrack album "Southpaw (Music from and Inspired By the Motion Picture)", released on July 10, 2015.  It features the American-recording artist, Gwen Stefani.  This is Eminem and Stefani's first collaboration.  The song is the second single released from the soundtrack, after Eminem's "Phenomenal" which was released a month earlier.  "Kings Never Die" marks Stefani's first featured single since 2005's "Can I Have It Like That" with Pharrell Williams.  The song was co-written and produced by The New Royales. "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. "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. Harajuku Lovers Live is the first live long-form video by American recording artist Gwen Stefani.  It was released on DVD on December 4, 2006, by Interscope Records.  The DVD was directed by Sophie Muller and produced by Oil Factory Productions.  It is a recording of one of Stefani's concerts during her Harajuku Lovers Tour 2005 in late 2005 to promote her first album, "Love.  Angel.  Music.  Baby. ", released in November 2004.  The performance was recorded in November 2005, in Anaheim, California.  The concert features performances of all twelve songs from "Love.  Angel.  Music.  Baby."  and two new songs from her second studio album, "The Sweet Escape", as well as interviews with the musicians and dancers and a documentary of tour preparation. "Change Your Life" is a song recorded by Australian rapper Iggy Azalea for her debut studio album, "The New Classic" (2014).  It features guest vocals by American rapper T.I..  Initially a demo by Indian-American songwriter Raja Kumari, the song's final composition was co-written by Azalea, Natalie Sims, Kumari, the song's producers The Messengers, Lovy Longomba and T.I..  It is a mid-tempo dub-step, hip hop and synthpop song inspired by Azalea's personal dating experiences, and comprises bass-driven and synth-heavy production.  Described by Azalea as "a kind of rap duet", it features her singing on a track for the first time which she took upon to showcase growth and versatility from her previous material. 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. American singer and songwriter Gwen Stefani has recorded material for three studio albums and one extended play (EP), and has been featured on songs on other artists' respective albums.  After releasing five studio albums with ska punk group No Doubt, in 2004 Stefani began work as a solo artist, developing her pop debut "Love.  Angel.  Music.  Baby. " in the same year.  It produced several top ten singles worldwide, including "What You Waiting For? ", "Rich Girl", and "Hollaback Girl", the latter of which was the first single to sell over a million digital copies in the United States.  The record contained work from a variety of producers and songwriters, including Linda Perry, Nellee Hooper, André 3000, and No Doubt bandmate Tony Kanal. " Cool", "Luxurious", and "Crash" were also released as the singles.  In 2005, Stefani released an extended play "Love.  Angel.  Music.  Baby.  (The Remixes)" and included the Richard X remix of "Cool", which topped the United States Dance Club Songs in November 2005.  Hip hop musician André 3000 made two appearances on the album, including on "Long Way to Go", and his alter ego "Johnny Vulture" on "Bubble Pop Electric".
Answer: No Doubt