In 1999 Sigur Ros released gtis Byrjun (A Good Start), Q magazine deemed gtis Byrjun the last great record of the 20th century. By the end of the year, it had won the inaugural US Shortlist Prize for Artistic Achievement in Music. This year celebrates the 20th Anniversary of gtis Byrjun, the band expand their breakthrough album with demo and archive versions of songs from the album, plus never-before-heard newly unearthed material from the time, rare b-sides and the full 95 minute concert played in Reykjavk on the day the record was released.

CD1 | TRACKLISTING | Original Album
1. Svefn-g-englar
2. Starlfur
3. Flugufrelsarinn
4. N batter
5. Hjarta hamast (bamm bamm bamm)
6. Virar vel til loftrsa
7. Olsen Olsen
8. gtis byrjun
9. Avalon

CD2 | TRACKLISTING | Live at slenska peran
1. Intro (Live at slenska peran, 1999)
2. Von (Live at slenska peran, 1999)
3. Syndir gus (Live at slenska peran, 1999)
4. Flugufrelsarinn (Live at slenska peran, 1999)
5. Olsen Olsen (Live at slenska peran, 1999)
6. gaetis byrjun (Live at slenska peran, 1999)
7. Virar vel til loftrsa (Live at slenska peran, 1999)
8. Svefn-g-englar (Live at slenska peran, 1999).

CD3 | TRACKLISTING | Live at slenska peran & Rarities
1. N batter (Live at slenska peran, 1999)
2. Hafsl – (Live at slenska peran, 1999)
3. Nja lagi (Live at slenska peran, 1999)
4. Song 1 (Demo)
5. Song 2 (Demo)
6. Song 3 (Demo)
7. Debata mandire (Live at Laugardashll, 1999)
8. Rafmagni bi (From N batter EP, 2000)

CD4 | TRACKLISTING | Rarities
1. Svefn-g-englar (Live at Popp Reykjavk, 1998)
2. Starlfur (Original speed version)
3. Flugufrelsarinn (1998 Demo)
4. N Batteri (Instrumental)
5. Hjarta hamast (bamm bamm bamm) (1995 Demo)
6. Virar vel til loftrsa (Alternative ending)
7. Olsen Olsen (1998 Demo)
8. gaetis byrjun (1998 Demo)