• Joseph Arthur - (
Redemption's Son) - 2002 - *appears as Greg Wiz • Joseph Arthur - (
Junkyard Hearts) - EP Vol. II & IV - 2002 - *as Greg Wiz • The Autumn Defense -
Circles - 2003 - *as Greg Wiz • The Twilight Singers - (
Blackberry Belle) - 2003 • Joseph Arthur - (
Our Shadows Will Remain) - 2004 - *as Greg Whiz • C.C. Adcock - (
Lafayette Marquis) - 2004 - *as G-Whiz • The Honorary Title - (
Anything Else But The Truth) - 2004 • Nervous cabaret-
Nervous Cabaret - 2005 • Joseph Arthur - (
The Invisible Parade & We Almost Made It) - 2006 - *as Greg Wiz • The Twilight Singers - (
Powder Burns) - 2006 • The Twilight Singers - (
A Stitch In Time) - EP - 2006 • The Autumn Defense -
The Autumn Defense - 2007 • Joseph Arthur & The Lonely Astronauts - (
Let's Just Be) - 2007 • Nervous cabaret -
Drop, Drop - 2007 • The Gutter Twins - (
Saturnalia) - 2008 • Joseph Arthur & The Lonely Astronauts - (
Temporary People) - 2008 • Joseph Arthur - (
Vagabond Skies) - 2008 • Joseph Arthur - (
Nuclear Daydream) - European release - 2009 - *as G.Wiz • Norah Jones -
(The Fall) - Deluxe Edition - 2009 • The Autumn Defense -
Once Around (CD) - Yep Roc - 2010 •
The Music Never Stopped - Original Motion Picture Soundtrack - 2011 • The Twilight Singers - (
Dynamite Steps) - 2011 •
The Twilight Singers - Live In New York - 2011 • Matt Mays - "
Coyote" - 2012 • Matt Keating - Wrong Way Home - 2012 • Joseph Arthur - (
The Ballad of Boogie Christ) - 2013 • The Candles - (La Candelaria) - 2013 • The Autumn Defense - (Fifth) - 2014 • Norah Jones - (Beck - Song Reader compilation) - 2014 • Matt Keating - (This Perfect Crime) - 2015 • Ruby Amanfu - (Standing Still) - 2015 • George Fest - [A Night To Celebrate The Music of George Harrison) - 2016 • Matt Butler - (Reckless Son) - 2016 • The Candles - (Matter + Spirit) - 2016 • Aloysius 3 - (Aloysius 3) - EP - 2017 • Telescope - (Siamese Connection) - 2017 • Tom Irwin - (All That Love) - 2017 • Linda Perhacs w/ The Autumn Defense - (I'm A Harmony) - 2017 • Salad - (Where's My Salad?) - EP - 2017 • The Make Pretend - (Fortune Factory) - 2017 • Olivia Valentine - (Can't Be Trusted) - EP - 2017 • Liam Hayes - (Korp Sole Roller) - 2018 • Telescope - (Pictures With Captions) - EP - 2018 • AJ Ellis - (Never A Dull Moment) - 2018 • I'm From The Sun: The Gustafer Yellowgold Story-Vol 1 - 2018 • The Minnesota Chronicles: The Gustafer Yellowgold Story-Vol 2 - 2019 • Valerie June - (Cosmic Dancer - single) - 2019 • Birdy On The Moon - (High and Low/single) - 2020 • Nathan Brouillet - (Elegy) EP - 2020 • Valerie June - (You And I - Moon And Stars / Acoustic) - 2021 • Valerie June - (The Moon & Stars: Prescriptions For Dreamers) - 2021 (Deluxe Ed) - 2022 • Katie Henry - (On My Way) - 2022 • Billy Woodward - (The Boy From The Bay) - 2022 • Bastards Of Fine Arts - (Good Sign) - 2022 • Valerie June - (Under Cover) - 2022 • Meghan Trainor - (Takin' It Back) - 2022 • John David Kent - (Patina) - 2022 • Olivia Valentine - (Reverberations) - 2023 • Birdy On The Moon - (Bluebells/single) - 2023 • Norah Jones - (Little Broken Hearts-Deluxe Ed) - 2023 • The Twilight Singers - (Black Out The Windows/Ladies & Gentlemen, The Twilight Singers-Box Set) - 2023 • Joan Osborne - (Nobody Owns You) - 2023 • Antar Goodwin - (The Game) - 2024 • The Flirtations - (Still Sounds Like The Flirtations) - 2024 • Valerie June - (Gifts, Presents and Treats from Valerie June) - 2024 • Greta Keating - (Never My Friend - single) - 2025 • Greta Keating - (Labor For Damaged Men) - 2025 • The Goo Goo Dolls - (Nothing Lasts Forever - single) - 2025 • The Goo Goo Dolls - (Not Goodbye (Close My Eyes) - single) - 2025 • The Goo Goo Dolls - (Summer Anthem - EP) - 2025 • The Autumn Defense - (The Ones - single) - 2025 • The Autumn Defense - (Love Lives - single) - 2025 • The Autumn Defense - (Here and Nowhere) - 2025 • Reddmond Perone - (Watching From Behind - EP) - 2025 • Rene Lopez - (A New York Lie) - 2025 == References ==