What is "cellista"

Cellista (born Freya Seeburger, February 21, 1983) is an acclaimed American cellist and artistic director. She is known for collaborating with artists across various media, as well as live performances in unconventional spaces that incorporate elements of classical music, theater, improvisation and visual art across a range of genres including pop, hip-hop, classical and more. These performances often feature a carbon fiber cello and loop station.