Liza has collaborated on many albums over the years, and here is a selection of them:

Mark Barnwell – Mandala

Available here

Ipanema 5am with Scooter

JP sits in with Tom Rigney at Woofstock 2009

Mark Barnwell – Infinitus

Available here

JP sits in with with Willy Porter and Carmen Nickerson on “Roses in the Rain”

JP sits in with friends “Bleeding Harp” on “One Way Out”