Nicki has performed with The Gramblers since 2008, and with a country music cover band developed by Tim Bluhm (of The Mother Hips) and members of ALO called Brokedown in Bakersfield. She has guest-performed with Chris Robinson, Bob Weir, Phil Lesh, Warren Haynes, Grace Potter, The Avett Brothers, Keller Williams, and Galactic, among others. She also has guest-performed on album tracks for Karl Denson and The Brothers Comatose.