Rose Byrne was six months pregnant during filming. The filmmakers used clever camera shots (such as medium to close up shots) and carefully placed accessories (like handbags and laptops) to conceal it in the film.
To create the "classic" album that the character Tucker is best known for, director Jesse Peretz turned to previous collaborator Nathan Larson who worked with him on Our Idiot Brother (2011). Over the course of three years, they wrote songs and requested demos from about 35 artists such as Conor Oberst, Robyn Hitchcock and Ryan Adams. Nathan Larson's inspiration for the music was Big Star's "Third/Sister Lovers" album as well as friend Jeff Buckley.
In Duncan's final video (during the credits), there is a copy of David Foster Wallace's Infinite Jest behind him. First, that novel inspires a number of fans who are as obsessed with Foster Wallace as Duncan is with Tucker Crowe. Second, those obsessed fans are often youngish to middle-aged men, much like Duncan.
The trivia item below may give away important plot points.
The track listing on Tucker's new album, "So Where Was I?," reviewed by Duncan in the end credits, is as follows: 1. I Know Annie 2. Mr. Family Planner 3. Afternoon Sun 4. Peas in a Pod 5. Glad She's Here Now 6. I Did the Math 7. You Feel Me Yo 8. Water for the Plumber 9. Man of the Hour 10. Hey, Dexter 11. Sand Castles 12. Are We Fine As We Are?