Martin Birch - recording and mixing engineer.

Kristina Stykos is a music producer, recording engineer, songwriter and performer based in Vermont.

Joe Geia (1993- ) Electric guitar, backing vocals, recording engineer.

He also has extensive experience from working as producer, and occasionally recording engineer, in many recording sessions.

Thacher is credited as video Director, recording engineer, & music arranger.

Bob Marlette is an American record producer, recording engineer, mixer, keyboarder and songwriter.

Dindo Aldecoa - recording engineer for the string section of "Lightyears"

Malachi Ritscher, musician, recording engineer, human rights activist, and anti-war protester.

Clay Wells Holley was recording engineer, and mixed the song with Szeflinski.

There he continues to record, engineer, and produce albums for a variety of artists and genres, from jazz to classical, folk to new age.