He has also toured internationally with the Ten Tenors and performed the title role in Jesus Christ Superstar in six different productions around Australia.

In 2007, Luke played the role of Jamie in Jason Robert Brown's The Last Five Years co-starring his now-partner Brisbane-based actress Naomi Price for[1] (Oscar Theatre Company/Judith Wright Arts Centre).

In August and again in June 2011, he played the title role in a production of Jesus Christ Superstar[2] at the QPAC Playhouse.

[3] Kennedy returned to the role of Jesus in June 2015 for a sixth time at AIS Arena Canberra opposite Michael Falzon as Judas.

[5] Luke joined international touring group the Ten Tenors in early 2008[6][7] and in nearly two years on the road, he performed shows on nearly every continent in the world.

Highlights of his time with TTT include the 2009 Jerry Lewis MDA Telethon which was broadcast to 32 million people across North America, the 2008 Emirates Melbourne Cup and the DVD recording of Amigos Para Siempre: Live in Madrid in August 2009 with the RTVE Orchestra.

First was a group performance by the top 4 of "You're the Voice" by John Farnham and then a duet with coach Ricky Martin of "El Tango De Roxanne" by the Police.

Festival Artistic Director, and singer in her own right, Kate Ceberano appeared as a special guest to perform with a cast that included Ben Mingay, Michael Falzon, and Matt Lee.