Mark Sheehan (born Marc Anthony Sheehan, October 29th, 1981) is an Irish singer, songwriter, guitarist and producer. He is currently the guitarist for indie rock band The Script. Sheehan was born in Mount Brown in The Liberties area of Dublin. He was formerly a member of boyband MyTown along with his current bandmate, Danny O'Donoghue. Both Sheehan and O'Donoghue were involved in the production of two tracks featured on the Peter André album The Long Road Back under the name M.A.D Notes before pursuing their own careers as musicians.

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