His punk-rock musical That Bloody Woman was a smash hit at the 2015 Christchurch Arts Festival, and subsequently toured New Zealand, playing to over 30,000 people.
[4] Di Somma was musical director for the European premiere of Lin-Manuel Miranda's 21 Chump St at the Tristan Bates Theatre in London's West End.
[4] Other directing work includes Hedwig And The Angry Inch, Two Guvnors at The Court Theatre, Spamalot, Sweeney Todd, The Full Monty, Les Misérables, and Chicago.
In a review of musical theatre in New Zealand, Di Somma wrote"The Broadway actor Andréa Burns once told me that every song is a fight.
We battled Everest, French eco-terrorists, nuclear power, apartheid and as is the case with my current project, we fought for universal suffrage.