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?

Related documents: [0]  [DOC] 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. [END] 
[1]  [DOC] 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. [END]  
Answer: No Doubt
No Doubt