String quartet reading session of new works

I was very happy to hear my new pieces for string quartet come to life during a reading session by a very lovely quartet featuring:

Glenn Christensen - violin

Ike See - violin

Nathan Greentree - viola


Rafael Karlen Quintet at the Foundry in Sydney, August 24

I’m very excited to be performing with some very awesome Sydney musicians on Friday August 24 at the Foundry. Matilda Abraham, Greg Coffin, Brett Hirst, Hamish Stuart and I will be playing my compositions and arrangements for quintet which will…

New video section

I have finally added a video section to this website. A small selection of videos from projects ranging from chamber orchestra, small jazz groups, big bands and footage from recording sessions can be found below



New Zealand Tour with Kristin Berardi and Sean Foran May 23-28

I am very excited to play 4 shows in New Zealand next week with the Berardi/Foran/Karlen Trio.

We will perform in Auckland, Wellington and two shows in Christchurch for the Christchurch Jazz Festival.

Woohoo! Please come along and…


Crowd Funding campaign for my new Quintet Album

I am very excited to have received a MatchLab Grant through Creative Partnerships Australia which means that they will match every dollar of the $4000 that I am hoping to raise through the Australian Cultural Fund for this new project.


ArtsHub article on being a composer

ArtsHub just published a very informative article on composition and functioning as a composer by Holly Harrison, Julian Yu and myself. I enjoyed reading this as everyone had quite different things to say.

Please click here to check it…