Besides his recordings under his own name, other significant collaborations include Trey Anastasio, Ray Brown, Ray Charles, Daniel Lanois, Dr. John, Stanley Jordan, Herbie Hancock, Roy Haynes, Zigaboo Modeliste, Marcus Roberts, Jill Scott, Clark Terry, Allen Toussaint, Dr. Michael White, Nancy Wilson, Dr. Michael White and Joe Henderson.
Nicholas II of Russia | Saint Nicholas | Nicholas I of Russia | Nicholas II | Nicholas I | Nicholas Nickleby | Nicholas Ray | Walter Payton | Nicholas Roerich | Nicholas Briggs | St. Nicholas | Nicholas of Cusa | Nicholas Longworth | Nicholas Pegg | Nicholas | Nicholas Parsons | Nicholas Lyndhurst | Nicholas Lens | Nicholas Sparks | Nicholas Meyer | Nicholas McGegan | Nicholas Maw | Nicholas Kaldor | Nassim Nicholas Taleb | St. Nicholas Magazine | Pope Nicholas IV | Nicholas Tse | Nicholas I of Montenegro | Nicholas G. Carr | Nicholas Carr |
Eigsti has performed and recorded with many contemporaries including: Eric Harland, Kurt Rosenwinkel, Joshua Redman, Christian McBride, Nicholas Payton, Ambrose Akinmusire, Walter Smith III, Dayna Stephens, Julian Lage, Reuben Rogers, Larry Grenadier, Kendrick Scott, Gretchen Parlato, and Mike Moreno, among others.
As an improvising soloist, he has performed and toured with Louie Bellson, Clark Terry, McCoy Tyner, Joe Henderson, Chris Potter, the New York Voices, Nicholas Payton, Herb Ellis, Donald Byrd, Darius Brubeck and the Manhattan Transfer.