Pre-gap track

Wikipedia里的track list里面，Disc 1还有首隐藏曲目：
Disc one
No. Title Length
0. "Reflektive Age (Pre-Gap Hidden Track)" 10:02
1. "Reflektor" 7:34
2. "We Exist" 5:43
3. "Flashbulb Eyes" 2:42
4. "Here Comes the Night Time" 6:30
5. "Normal Person" 4:22
6. "You Already Know" 3:59
7. "Joan of Arc" 5:24
Disc two
No. Title Length
1. "Here Comes the Night Time II" 2:51
2. "Awful Sound (Oh Eurydice)" 6:13
3. "It's Never Over (Hey Orpheus)" 6:42
4. "Porno" 6:02
5. "Afterlife" 5:52
6. "Supersymmetry"

不知道哪儿有听？