G Sides is a B-sides collection by Gorillaz from their first studio album session, Gorillaz and the Tomorrow Comes Today EP. The compilation was originally released only in Japan in December 2001. The US edition, with a slightly different track listing, followed in February 2002. The European version, released in March 2002, features the original Japanese track listing. The Japanese and US editions are different because the songs "Dracula" and "Left Hand Suzuki Method" are included on the standard US edition of Gorillaz as bonus tracks. The Brazilian limited edition release incorporates all of the tracks from both the Japanese and US versions of the album. Most versions have the same cover, featuring Noodle holding a skeleton doll in her hand, although some—notably the Japanese version—have her holding a Godzilla figurine instead. On the top of the sleeve, the title is written in katakana: ジーサイズ (Jī Saizu). G Sides reached number 65 on the UK Albums Chart and number 84 on the US Billboard 200.

"The Sounder" appears on this album and the "Rock the House" single at approximately 4:29, however appears on the French CD of Gorillaz at about 6:16, cutting off approximately 1:47 of the song on G Sides and Rock the House.

All songs written and composed by Gorillaz.

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