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The Butterfly Effect (Andrea Montorsi Remix)
Robert Curtis- Hard trance
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Because Of You (Original Mix)
Robert Curtis- Classic Trance
- Vocal Trance
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The Butterfly Effect (Original Mix)
Robert Curtis- Electro / NRG Trance
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Side Effects (Robert Curtis Radio Edit)
M-Series- Uplifting Trance
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Side Effects (Robert Curtis Dub)
M-Series- Uplifting Trance
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Side Effects (Robert Curtis Remix)
M-Series- Uplifting Trance
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Reflections (Extended Mix)
Robert Curtis- Uplifting Trance