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