Nashville based cellist, Cremaine Booker (also known as ThatCelloGuy), has performed extensively in the United States in addition to being a highly accomplished studio cellist. He currently serves as a cellist in the Iris Orchestra and is former principal cellist for the Nashville Philharmonic Orchestra and The Jackson Symphony. He has also made appearances with the Trevecca Symphony, the Sewanee Symphony, Roy "Futureman" Wooten's Black Mozart Ensemble, and the Nashville Concerto Orchestra. He has performed with the likes of Hans Zimmer, Carrie Underwood, India.Arie, Mickey Guyton, Martina McBride, Jewel, Lindsey Stirling, Michael W. Smith, LeAnn Rhimes, Mike Hicks, and many others. In addition to his live performances he has recorded cello on projects such as Geostorm (2017), The Lion King (2019), and The Ruined King (2021).
 
Cremaine has performed masterclasses with teachers such as Natalia Koma, YeonJin Kim, Julia Tanner, Eric Kutz, Peter Sheppard, and Yo-Yo Ma. Cremaine holds degrees from Middle Tennessee State University.

Cremaine plays on a modern cello gifted to him by William H. and Judith Scheide.