Listen to It's a Warning- Mashup online. It's a Warning- Mashup is a Hindi language song and is sung by Manjari Fadnis, Madhurima Tuli, Meet Bros Anjjan, Sharib Toshi, John Stewart, James, Mika Singh, Poorbi and Aditi Paul. It's a Warning- Mashup, from the album Warning, was released in the year 2013. The duration of the song is 4:00. Download Hindi songs online from JioSaavn.