Sean is a member of APRA/AMCOS and is credited as songwriter or co-songwriter on the following registered compositions:
- Night Falls – Whitaker S, Clyne M
- 3am Drinking – Whitaker Sean David Thomas
- Here We Go Again – Whitaker S, Peters B, Whitaker G
- Bluegrass Saved The Earth – Whitaker, Peters, Attewell, Kirkpatrick
- One Track Mind – Whitaker S, Peters B, Arrillaga J
- Better Off Dead – Whitaker S, Peters B, Arrillaga J
- Sweet Mercy – Whitaker, Peters, Dollery, Arrillaga
- Been And Gone – Whitaker, Peters, Dollery, Arrillaga
- Wings – Whitaker, Peters, Dollery, Arrillaga, Rosanowski
- Times Are Changing – Whitaker, Peters, Dollery, Arrillaga, Rosanowski
- Swamp Me – Whitaker, Peters, Dollery, Arrillaga, Rosanowski
- Rhinestone Empire – Whitaker, Peters, Dollery, Arrillaga, Rosanowski
- Muddy Waters – Whitaker, Peters, Dollery, Arrillaga, Rosanowski
- Everytime – Whitaker, Peters, Dollery, Arrillaga, Rosanowski
- Burn – Whitaker, Peters, Dollery, Arrillaga, Rosanowski
- From This Valley – Whitaker, Peters, Dollery, Rosanowski
- The Dream – Whitaker, Peters, Rosanowski, Dollery
- Sleeping In Your Grave – Whitaker, Peters, Rosanowski, Dollery
- Time To Fold – Whitaker, Peters, Rosanowski, Dollery
- Roses Song – Whitaker, Peters, Rosanowski, Dollery
- Going Under – Whitaker, Peters, Rosanowski, Dollery
- Love And Truth – Whitaker, Peters, Rosanowski, Dollery
- The Valley – Whitaker S, Taylor K
- Hole In My Shoe – Whitaker, Taylor, Peters, Rosanowski
- Elsie – Whitaker, Taylor, Peters, Rosanowski
- Cheating Heart – Whitaker, Taylor, Peters, Rosanowski
- Face Of A Stranger – Whitaker, Taylor, Peters, Rosanowski
- Hawera Hill – Whitaker, Taylor, Peters, Rosanowski
- Run Willy – Whitaker, Taylor, Peters, Rosanowski
- If You Try – Whitaker, Taylor, Peters, Rosanowski
- Going Out – Whitaker, Taylor, Peters, Rosanowski
- Rest Up Sally – Whitaker, Taylor, Peters, Rosanowski
- Brother O Brother – Whitaker, Taylor, Peters, Rosanowski
- Short Summer – Whitaker, Taylor, Peters, Rosanowski
- Linin Track – Whitaker Sean David Thomas
- My Heart Loves Trouble – Sean Whitaker, William Declan Lucey
- Here We Go Again – Sean Whitaker, Bryan Peters
- 3am Drinking – Sean Whitaker
- Lost on the Road – Sean Whitaker
- Sins of the Father – Sean Whitaker, Tommy Jones
- Out of the Shadows – Sean Whitaker
- Short Summer – Sean Whitaker, Keith Taylor
- The Weight of a Week – Sean Whitaker
- Fall Again – Sean Whitaker
- Sales Talk – Sean Whitaker
These are the albums that Sean has been part of either with the band or as a solo artist:
- The Johnny Possum Band – Tickets (2007)
- Johnny Possums Good Time Hootin’ Band – Twister (2008)
- Johnny Possum – Live at the Harbourlight CD and DVD (2009)
- The Johnny Possum Band – Short Summer (2012)
- The Bristol Dollar – Love & Truth (2013)
- The Bristol Dollar – Self-Titled (2015)
- The Lung Machine – Teacup EP (2021)
- Fender Jones – Sins of the Father (2023)