Per Mathisen is a Norwegian jazz bassist and composer who has worked with Terri Lyne Carrington, Geri Allen, Gary Thomas, Bill Bruford, Alex Acuña, Gary Husband, Ralph Peterson, Nguyen Le and Terje Rypdal. He is married to pianist Olga Konkova and is the brother of Hans Mathisen, Nils Mathisen, and Ole Mathisen.

Gary Husband is an English jazz and rock drummer, pianist, keyboard player and bandleader. He is also a composer, arranger and producer.