"Just a Day" is a song by Feeder, released as the band's final single of 2001, notable for being their last with drummer Jon Lee. The Alan Moulder Mix featured as the opening track for the European version of Gran Turismo 3: A-Spec. It was first released on the "Seven Days in the Sun" single as a B-side. It was released as a single as it was included on the Gran Turismo soundtrack; it is a common misconception that "pressure from fans" was the reason.

Despite having already appeared in the top 20 earlier in the year as a B-side, the single A-side release stayed in the top 20 for 4 weeks, peaking at number 12. It instantly became a regular to end the band's live sets, but has been occasionally rested from this position for a cover of "Breed" by Nirvana, while never used as one of the "Feeder covers" at Renegades gigs. "Just a Day" has sold over 100,000 downloads and physical copies combined.

Feeder's performance of "Just a Day" on CD:UK in December 2001 was Feeder's last with Jon Lee. The week Jon Lee died, the band were due to appear on Top of the Pops performing "Can't Stand Losing You", a cover of The Police which appears on CD1 of this EP. Their place was taken by Ash performing "There's a Star". Before the release of the single, Feeder had already appeared on Later... with Jools Holland for the first time. This would be the last time Jon would perform with the band in a live setting as CD:UK was not fully live, they ended the show with the aforementioned "Can't Stand Losing You".

Feeder had already enjoyed a successful 2001 by the time "Just a Day" was released as a stand-alone single in December of that year. "Buck Rogers" had given them their first top 10 single and had then repeated the success with the attendant album Echo Park.

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