X (Def Leppard album)

This is the first Def Leppard album in which drummer Rick Allen actively took part in song-writing. On all of the band's prior albums, he is only credited with helping co-write three tracks. On this album alone, he co-wrote eleven. The album is also the first from the band to include original songs not to be written by any of the members: "Unbelievable" and "Long, Long Way to Go", the latter of which was released as a single.

The album features the Roman numeral 'X', recognising it as their tenth album release, although the album is in fact only their eighth collection of all-new studio material. (The other two albums, Retro Active and Vault, were a collection of B-sides and rarities, some re-recorded, and a greatest hits set respectively, although Vault also included a non-album single "When Love & Hate Collide" as well as the single mixes of the songs "Pour Some Sugar on Me" and "Rocket".)

The album X peaked at number 11 on the Billboard 200, but did not sell to the standards of their previous releases and failed to earn any RIAA certifications. With the exception of an abbreviated version of "Now" being performed as part of an acoustic medley during the Rock of Ages Tour in 2012, nothing from this album was performed live by the band since the conclusion of its supporting tour until their Las Vegas residency in 2019.

For a short time after the album was released, Def Leppard's website Defleppard.com featured a free mp3 download of "Perfect Girl," a bonus track and early version of the track "Gravity".

The album was released on vinyl for the first time in 2019 alongside 3 other albums from the 2000s, Yeah! and Songs from the Sparkle Lounge, before being released standalone later the same year.

X received mixed reviews. Stephen Thomas Erlewine of AllMusic rated the album 2.5 out of 5. While commending the band for not adopting the then-popular nu metal and rap rock sound of the time, Erlewine lamented that the band's pop rock approach meant that "they've left rock behind, turning out a bunch of even-handed adult-pop that is melodic without being tuneful, or memorable for that matter." He concludes that, in some instances on X, "Leppard still shows signs of being a great band -- there's a chorus or a bridge here and there with spark, "You're So Beautiful" and "Everyday" are the kind of sugar-sweet, heavy-pop songs that make this band so irresistible—but the slick production and self-conscious maturity make X a leaden affair, unfortunately."{{cite web | url=https://www.allmusic.com/album/x-mw0000221333 | title=Def Leppard X Album Reviews, Songs & More | AllMusic | publisher=AllMusic }}

Conversely, Rob Sheffield of Rolling Stone was more positive, favorably comparing X to Bon Jovi's Crush. Sheffield notes how "since the Lepsters always had catchier beats and craftier tunes than the metal competition, they adapt to global pop with their signature sound intact, and X may be their niftiest since Adrenalize."{{cite magazine | url=https://www.rollingstone.com/music/music-album-reviews/x-3-193016/ | title=X | magazine=Rolling Stone | date=13 August 2002 }}

{{Track listing

| title_width = 35%

| writing_width = 65%

| all_writing = Rick Allen, Vivian Campbell, Phil Collen, Joe Elliott and Rick Savage except where noted

| title1 = Now

| writer1 = {{hlist|Allen|Campbell|Collen|Elliott|Marti Frederiksen|Savage}}

| length1 = 3:58

| title2 = Unbelievable

| writer2 = {{hlist|Per Aldeheim|Andreas Carlsson|Max Martin}}

| length2 = 3:58

| title3 = You're So Beautiful

| writer3 = {{hlist|Allen|Campbell|Collen|Elliott|Frederiksen|Savage}}

| length3 = 3:31

| title4 = Everyday

| writer4 = {{hlist|Allen|Campbell|Collen|Elliott|Frederiksen|Savage}}

| length4 = 3:08

| title5 = Long, Long Way to Go

| writer5 = {{hlist|Wayne Hector|Steve Robson}}

| length5 = 4:38

| title6 = Four Letter Word

| length6 = 3:07

| title7 = Torn to Shreds

| length7 = 2:56

| title8 = Love Don't Lie

| length8 = 4:46

| title9 = Gravity

| writer9 = {{hlist|Allen|Campbell|Collen|Elliott|Savage|Pete Woodroffe}}

| length9 = 2:33

| title10 = Cry

| length10 = 3:20

| title11 = Girl Like You

| length11 = 2:49

| title12 = Let Me Be the One

| length12 = 3:29

| title13 = Scar

| writer13 = {{hlist|Allen|Campbell|Collen|Elliott|Savage|Woodroffe}}

| length13 = 4:59

}}

{{Track listing

| headline = UK/Japanese bonus tracks

| title14 = Kiss the Day

| length14 = 4:27

| title15 = Long, Long Way to Go

| note15 = acoustic

| writer15 = {{hlist|Hector|Robson}}

| length15 = 4:43

}}

• Rick Allen – drums
• Vivian Campbell – guitar, vocals
• Phil Collen – guitar, vocals
• Joe Elliott – lead vocals
• Rick "Sav" Savage – bass guitar, vocals

• Eric Carter – keyboards and drum loops on "Now", "You're So Beautiful" and "Everyday"
• Stan Schiller – shredding tele licks on "Gravity"

• Producers: Def Leppard, Per Aldeheim, Andreas Carlsson, Pete Woodroffe
• Engineers: Stefan Glaumann, Richard Chycki, Ronan McHugh, Liz Sroka, Pete Woodroffe
• Mixing: Marti Frederiksen, Ronan McHugh, Pete Woodroffe
• Mastering: Tom Coyne
• A&R: Simon Collins, Jeff Fenster
• Production co-ordination: Leslie Langlo, Sue Tropio
• Editing: Brian Paturalski
• Vocal producer: Ronan McHugh
• Drum technician: Jerry Johnson
• String arrangements: David Campbell
• Programming: Ronan McHugh, Pete Woodroffe
• Photography: Clive Arrowsmith

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;Footnotes

{{Reflist}}

;Other

• {{cite AV media notes

|title = X

|title-link = X (Def Leppard album)

|others = Def Leppard

|year = 2002

|type = CD back cover and booklet

|publisher = Bludgeon Riffola/Mercury

|id= 063,120-2

|location = London, England

}}

• {{Official website|https://defleppard.com/album/x/}}
• {{MusicBrainz release group|mbid=233dec0f-611d-36c6-8675-90fb53707adb|name=X}}
• {{Discogs master|master=31142|name=X|type=album}}

{{Def Leppard}}

{{Authority control}}

{{DEFAULTSORT:X (Def Leppard Album)}}

Category:2002 albums

Category:Def Leppard albums

Category:Albums produced by Marti Frederiksen

Category:Island Records albums

Category:Mercury Records albums

Category:Pop rock albums by English artists