Listen to Whistleblower (Original Mix) online. Whistleblower (Original Mix) is an English language song and is sung by Fraenz. Whistleblower (Original Mix), from the album Halloween 2K17 (Pyro Essentials - 25 Haunting House Hits), was released in the year 2017. The duration of the song is 4:19. Download English songs online from JioSaavn.