The Grapes of Wrath music team lead by Musical Director, Scott Twynholm have been creating some fantastic sounds in the rehearsal room.
With shades of Woody Guthrie these brilliant folk songs are helping the company to evoke a time of hardships, getting into the right zone for Steinbeck's brilliant play.
We have four exclusive audio tracks for you. You can listen to the tracks on AudioBoo or use the players below.
In case you missed it earlier this week. Here's a clip of the arrival of - as Neil puts it - "a very important part of the jigsaw".
Watch on YouTube.
The Grapes of Wrath will be at the theatre from 19-22 May 2010.