Appears on releases
| # | Title | Length | Track artist | Release title | Country/Date | ||||
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 3.9 | Headwave | 0:59 | Zatox | Qlimax 2010: In an Alternate Reality (3 disc special edition) |
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| 1.9 | Headwave [mix cut] | 0:59 | Zatox | Qlimax 2010: In an Alternate Reality (mixed digital release) |
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