The shows will take place at Devonshire Square next month.
The band will receive a £5,000 Talent Development prize from PRS Foundation.
This year's ceremony will take place in London on 22 May.
This year's final will take place on 26 April.
Eight acts from the longlist will now be selected to perform at the live finals in April.
The findings will help calculate the economic contribution the UK music industry made last year.
The band are the first-ever Irish songwriters to join the prestigious Fellowship.
The Lottery Winners will perform in Manchester next week to help celebrate the launch.
The ceremony took place in Birmingham last night (6 March).
The awards ceremony will take place in London next month.
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