THE KEY TO PERCEPTION

CD 1 - Continium (79:44)
1. A Winter Tale - Part 1 (4:27)
2. A Winter Tale - Part 2 (3:48)
3. A Winter Tale - Part 3 (1:45)
4. Silent Anger (4:49)
5. Old Legends (4:22)
6. All That I Think About You (3:04)
7. Amused Fair (8:13)
8. Stone Talk (2:03)
9. Marvelous Dance (3:31)
10. Muse (2:38)
11. Close to Heaven (2:44)
- Bonus tracks:
12. A Winter Tale (demo) (8:36)
13. E2 - E4 (previously unreleased) (0:46)
14. Silent Anger (demo) (4:43)
15. Old Legends (demo) (4:10)
16. Silent Anger Part 2 (previously unreleased demo) (1:27)
17. Amused Fair (demo) (8:21)
18. Marvelous Dance (demo) (3:26)
19. For the Friend (previously unreleased demo) (3:42)
20. The Key to Perception (previously unreleased) (3:09)

CD 2 - The Space Between Us (79:49)
1. Entering the Gates (1:52)
2. The Great Circus (5:29)
3. Temple of Light (4:56)
4. The Other Side (5:09)
5. Sky of Couple Colors (4:08)
6. Masks and Illusions (6:40)
7. The Dream Master (6:38)
8. Labyrinth (4:43)
9. Let Go (3:32)
10. Wonder Valleys (4:18)
11. Kingfisher and Dragonflies (1:47)
12. Retrofall (5:16)
13. Mind Games (1:20)
14. The Space Between Us (4:17)
15. When the Night Falls (2:13)
16. Big Outro (2:39)
- Bonus tracks:
17. Labyrinth (extended demo) (6:28)
18. Night Flight Jam (previously unreleased) (4:24)
19. Sun Valleys (previously unreleased demo) (4:00)

Total Time (2CD edition): 159:33


Additional discs on 4CD Deluxe edition (2019):

CD 3 - The Water (79:52)
1. The River Still Wide (5:15)
2. Juggler and the Cloud (7:23)
3. One Man's Dream (8:23)
4. The Water (15:29)
5. Atlantis (5:50)
6. Oxygen Minus (2:32)
7. An Ordinary Nightmare (4:03)
8. Poseidon's Gates (4:10)
9. Breeze (6:06)
- Bonus tracks:
10. Water Sky (4:35)
11. Aficionado (4:04)
12. Sun Scald (12:02)

CD 4 - Akko II (55:26)
1. Opening Theme (0:55)
2. The Golden Gates (4:14)
3. Dreamer (5:29)
4. Homeward (3:49)
5. I Will Remember (3:43)
6. Mysterious Voyager (3:50)
7. Winter Song (5:50)
8. Christmas Song (6:34)
9. Joyful Song (3:17)
10. Serenity Song (7:10)
11. Quantum Motion (Part 2) (7:29)
12. Games Without Frontiers (3:06)

Total Time (4CD Deluxe edition): 294:46

- Antony Kalugin / keyboards, percussion, vocals, guitars, Fx

With:
- numerous musicians

CD 1: All tracks by Antony Kalugin (except track 6 by Oleg Polyanskiy)
CD 2: All tracks by Antony Kalugin (except track 7 by Oleg Polyanskiy and 15 by Antony Kalugin & Sergey Kovalev)

2CD Caerllysi Music - CM09004 (2009, UK)

4CD Caerllysi Music - CM19021 (2019, UK, Deluxe edition, different Artwork)