![Katy Perry sings backup for Christian rock band POD in throwback Tonight Show clip | Daily Mail Online Katy Perry sings backup for Christian rock band POD in throwback Tonight Show clip | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2015/10/15/16/2D71552C00000578-3274302-image-a-20_1444922576275.jpg)
Katy Perry sings backup for Christian rock band POD in throwback Tonight Show clip | Daily Mail Online
![Katy Perry used to be a backing singer for Christian nu-metal band P.O.D. | The Independent | The Independent Katy Perry used to be a backing singer for Christian nu-metal band P.O.D. | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2015/10/15/11/katyperrypod.jpeg?width=1200)
Katy Perry used to be a backing singer for Christian nu-metal band P.O.D. | The Independent | The Independent
![Katy Perry sings backup for Christian rock band POD in throwback Tonight Show clip | Daily Mail Online Katy Perry sings backup for Christian rock band POD in throwback Tonight Show clip | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2015/10/15/16/2D716EDE00000578-0-image-a-10_1444921534943.jpg)
Katy Perry sings backup for Christian rock band POD in throwback Tonight Show clip | Daily Mail Online
![Watch Pre-'I Kissed A Girl' Katy Perry Provide Backing Vocals for P.O.D In 2006 - Maniacs Online | Heavy Metal News, Music Videos, Tours & Merch Watch Pre-'I Kissed A Girl' Katy Perry Provide Backing Vocals for P.O.D In 2006 - Maniacs Online | Heavy Metal News, Music Videos, Tours & Merch](https://www.maniacsonline.com.au/sites/g/files/g2000010271/files/inline-images/POD%20PERRY.jpg)