Sion Trefor The Harshest Light Listen online Sion Trefor - The Harshest Light Facebook WhatsApp Viber Telegram Sion Trefor - The Harshest Light played on air: Radio Nowy Świat Pion i poziom! Other artist tracks Sion Trefor: Sion Trefor - Collisions Sion Trefor - Falling for Ghosts Sion Trefor - Disappearances Sion Trefor - At the Edge of Everything