The duo, Cat's Eyes, also features the Canadian opera soprano and multi-instrumentalist Rachel Zeffira.

The group played their first ever gig at St. Peter's Basilica at the Vatican in December – and the video has just been made available.

Cat's Eyes will release their debut EP, 'Broken Glass', will be released on February 28, followed by a full album on April 11.

The duo have been recording with producer Steve Osborne in Peter Gabriel's Real World Studios, reports Pitchfork.

Cat's Eyes will embark on a UK tour in March.

Cat's Eyes UK tour dates are:

• Manchester, St Philip's – March 14
• Glasgow, St Andrew's – 15
• London, Amadeus Centre – 18

Cat's Eyes live at St Peter's Basilica:

(by Jason Gregory)