Once compared to Jimi Hendrix, New Zealand musician Billy TK senior now uses his music to express peace - his primary focus.

On May 11 he'll talk about his peace work and play in a Concert for Peace at the Whanganui Musicians' Club. It starts at 7.30pm and will cost members $15 and non-members $20.

The Conrays will play their final gig that night, club chairman John Keating said. Temo and Rihi Ponga have been asked to play, and there will be other special guests.

The concert is a follow-up to the March shootings in Christchurch.

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"It's such a powerful