[6] Their shows feature a wide range of music presented in a comedic manner and include a TV screen where the audience can see the choreography of their hands and their technical showmanship.
Their original arrangements cover a myriad of styles including classical, jazz, boogie woogie, pop, rap and showtunes.
The Katzenjammer act has been compared to Victor Borge,[10] as the pair often use their own comic compositions as well as parody a wide range of musical styles from The Spice Girls to ragtime.
A key part of their live show is a projected close-up image of the piano keyboard so the audience can see the tangle of hands and arms during their performance.
After graduating from the Royal College of Music in 1992, Farrell went on to work on the Emmy award winning show Concerto with Dudley Moore.
As a composer he has written a children's ballet The Water Babies and the music for the notorious play The Dead Monkey starring David Soul.
[12] He has also written music for over 80 documentaries and 4 feature films including Death of a Son starring Lynn Redgrave and Never Play with the Dead.
During this time he won a scholarship to study at Post-graduate level with the pianist Peter Katin (with whom he performed in a series of piano duet concerts at the Fairfield Halls, Croydon).