[1] He has shared the stage with artists like Joshua Radin, Delta Spirit, Evan Dando, Jeremy Enigk, David Bazan, The Lone Bellow, Old Sea Brigade and Bill Mallonnee.

[3] In 2008, Zipf embarked on a project and tour combining music and film in a constantly changing live performance art piece known as "Pfriends on Pfilm".

Shortly thereafter, Zipf recruited drummer Adam Neubauer, percussionist Ben Tufts and bassist/keyboardist Ryan Walker to fill out The Cowards Choir band.

In 2016, the new lineup released the album "Name The Fear", in addition to a collaborative visual score by Charlotte, NC filmmaker Will Davis (Small Creatures).

In 2022, Zipf released "How to Make A Paper Airplane" Produced by Matt Williams, it features Jay Bellerose (Robert Plant, Alison Krauss), Jennifer Condos (Ray LaMontagne, Joe Henry), Dennis Crouch (Emmylou Harris, John Fogerty) and Tyler Chester (Madison Cunningham, Andrew Bird).