[1][2] Kumari is best known for her collaboration with notable artists including Gwen Stefani, Iggy Azalea, Fifth Harmony, Sidhu Moosewala,[3] Knife Party, Fall Out Boy.

[11] In an interview with Rolling Stone, Raja Kumari said that she found it tough and lonely as a South Indian girl growing up in Los Angeles.

[7] During her artist career, she has contributed to several philanthropic activities through her performances including the creation of a hospital in Bangalore and a meditation hall in Hyderabad for the Vegesna Foundation, a school for children with physical disabilities.

[13] Kumari[14] co-wrote, featured in or performed background vocals in a number of notable songs including Fall Out Boy's double-platinum single "Centuries", "Change Your Life" feat.

T.I., Vicetone's "Don't You Run",[15] Brave Enough by Lindsey Stirling and "Set Me Free" for Baz Luhrmann's original Netflix series The Get Down about the birth of Hip Hop.

Recently she released her debut solo single "Mute" featuring Elvis Brown and produced by Jules Wolfson at Epic Records.