Michael John McCarthy is a composer, sound designer and theatre-maker, originally from West Cork, currently based in Glasgow.

He has worked on over ninety theatre productions, including twelve Scotsman Edinburgh Fringe First Award winners. Theatre includes: Pride & Prejudice*(*sort of) (Tron Theatre/Criterion Theatre/Touring); The Duchess (of Malfi) (Trafalgar Theatre/Lyceum Edinburgh); Two Sisters (Lyceum Edinburgh); The Fair Maid of the West (Royal Shakespeare Company); England and Son (Roundabout/HOME Manchester); The Grand Opera House Hotel (Traverse Theatre/Dundee Rep); What Girls Are Made Of (Raw Material); Kidnapped (National Theatre of Scotland); Little Red Riding Hood (Citizens Theatre); Cinderella (Dundee Rep); The Last Return (Druid Theatre Company); The Strange Undoing of Prudencia Hart (Royal Exchange Manchester); NORA: A Doll’s House (Young Vic/Citizens Theatre); Jimmy’s Hall (Abbey Theatre); The Hour We Knew Nothing of Each Other, Glory On Earth, A Number,The Weir and Bondagers (Royal Lyceum Theatre Edinburgh); I Can Go Anywhere, Crocodile Fever, Ulster American, and How To Disappear (Traverse Theatre); Tay Bridge, August: Osage County, The Cheviot, The Stag & The Black, Black Oil and The BFG (Dundee Rep); Trainspotting, Into That Darkness and Fever Dream: Southside (Citizens Theatre); and Rocket Post, In Time O’ Strife, The Day I Swapped My Dad for Two Goldfish and Dolls (National Theatre of Scotland).

Work for screen includes the documentaries Where You’re Meant To Be and Pitching Up.

His band Album Club released their debut LP in May 2022. It reached #6 in the UK Vinyl Albums chart, and #2 in the Scottish Albums chart, spending six weeks in the Top 100.