He is perhaps most well-known for his collaborations with American singer Sheryl Crow, having co-written some of her biggest hits, including "If It Makes You Happy", "Everyday Is a Winding Road", and "Soak Up the Sun"; he also produced tracks on her albums C'mon, C'mon, Wildflower, Be Myself, and Threads.

Trott's songwriting collaborators include Gemma Hayes, Colbie Caillat, Jason Mraz, John Paul White (of the Civil Wars), Augustana, Rob Thomas, Guster, Natasha Bedingfield, Michelle Branch, Meiko, Liz Phair, Roger Daltrey (The Who), Joe Cocker, Stevie Nicks, Counting Crows, and Marc Broussard.

[3] Trott's credits as a producer include Sheryl Crow, Stevie Nicks, Augustana, Joshua Radin, Meiko, Pete Francis (of Dispatch), and Griffin House.

In 2009, Trott produced the Samantha Stollenwerck album Carefree, which featured members of Beck's band, including Brian LeBarton, Roger Manning Jr., Justin Meldal-Johnsen, Joey Waronker, and Lyle Workman.

[14] Sheryl Crow (1996) The Globe Sessions (1998) C'mon C'mon (2002) Wildflower (2005) Detours (2008) Feels Like Home (2013) Be Myself (2017) Threads (2019) Hard Candy (2002) Carencro (2004) Augustana (2011) Fire It Up (2012) Imperfect Circle (2019)