"198d" was written about drummer Tony Hajjar's grandmother, who was buried in a mass grave in Lebanon.

[citation needed] The EP's cover features a Conion 100CF boombox which belonged to the band, and was used as a frequent prop during Vaya period, appearing in their photoshoots, gig flyers and on stage during most of their live performances.

Additionally, it would appear in the music video for "Metronome Arthritis" and was later featured on the label of their 2000 split 7-inch with The Murder City Devils as well as the cover of the 2005 compilation album This Station Is Non-Operational.

To promote it, the band toured with Rage Against the Machine and the Foo Fighters in November and December 1999.

[1] It saw a limited of 500 vinyl release at 2012's Coachella Music Festival to celebrate the band's first performances together in 11 years.