The album featured several guest artists on vocals and instruments, including Ben Gibbard of Death Cab for Cutie, Mia Doi Todd, fellow Figurine member Meredith Figurine, Chris Gunst of Beachwood Sparks, Brian McMahan of Slint, The For Carnation, and Rachel Haden of that dog.

The track "(This Is) The Dream of Evan and Chan" from the album was very well-received, which led to the song being released in 2002 as the only single from Life Is Full of Possibilities.

This, coinciding with Death Cab For Cutie's release, Narrow Stairs moved any future plans of The Postal Service recording past the end of the decade.

Along with additional member Jenny Lewis, who performed vocals on the album, the group toured in support of Give Up despite their main projects also being active at the time.

In December 2022, the group announced a 2023 tour co-headlining with Death Cab for Cutie to celebrate the twentieth anniversaries of Give Up and Transatlanticism.

[6] Tamborello is also the host of a regular music show called Dying Songs heard on the internet radio station Dublab.

In 2004, Tamborello was credited for programming on the song "Take It Easy (Love Nothing)" by Bright Eyes, which reached number two on the Billboard US Singles Chart.

As Headset he collaborated with Plug Research record label owner Allen Avanessian and a number of guest rappers on the 2004 album Space Settings.

His studio has a glockenspiel, Avalon Design VT-747sp compressor, MicroKorg, Elektron Machinedrum, Vostok Matrixsynth, Elektron Monomachine, Vermona Retroverb, Empirical Labs EL8X Distressor Compressor, MOTU MIDI Timepiece, Vermona DRM1 MKII (drum machine), Dave Smith Poly Evolver Rack, Minimoog Voyager, two Motu 828 MKII, Mackie 1604 mixer, Kurzweil K2000 synthesizer,[8] Jomox Xbase 999, Moogerfooger MF-104Z Analog Delay, DigiTech IPS33 Smartshift Intelligent Pitch Shifter, Nord Modular G1, an Omnichord, accordions, jingle bells, Line 6 Delay, and an M-Audio Radium MIDI controller.