As a theatre composer, Matt has worked on pieces such as Jealous Husband Returns in Form of ParrotThe Coincidentals, How's This Sound?!, Mokgadi: the White Lion, and The Adventures of Manny McDougal.

His musicals and original material have been featured at The Pitch! @ Merry Go Round PlayhouseSound Bites by TheatreNowNYSummer Shorts Festival @ City TheatreTune in Time @ The Triad TheatreThe Metropolitan Room54 BelowThe The Annual Gala @ The DuplexPianosThe Bowery ElectricRockwood Music Hall, and Arlene's Grocery. 

He has has trained at the BMI Musical Theatre Writing Workshop, Hunter College (MA) and Marymount Manhattan College. 

Jealous Husband Returns in Form of Parrot (A Collaboration with Nathan Brisby) at Sound Bites MT Festival.

Look Me In The Eye @ The Duplex Music + Lyrics: Matt Patrick Walsh Performed by: Katie Bland, Amanda Forker, Ali Gordon, Kris Howard, Daniel Palese, Matt Patrick Walsh