Moreover, he has created a number of graphic notations, including the Dialogue with... series which is based on letters received from composer colleagues with additional visual elements added.

Machajdík's works, often considered as the counterpoint to the violence, intolerance, racism and greed of our age, are marked by a keen sensitivity to instrumental colour and texture.

He has also worked with Jon Anderson from Yes, harpist Floraleda Sacchi, cimbalom virtuoso Enikö Ginzery, vocalist & drummer David Moss, conductors Benjamin Bayl, Anu Tali, Miran Vaupotić, Florian Ludwig, Pawel Przytocki, Gum Nanse, Przemysław Zych, clarinetists Martin Adámek and Guido Arbonelli, and violist Sasha Mirković.

[14] Machajdik has worked with choreographers and dancers such as Dorothea Rust, Studio tanca, Petra Fornayova, Tina Mantel, Lucia Kašiarová, and others.

On the 2008 CD NAMAH, Machajdík worked with singer Jon Anderson from Yes,[75] harpist Floraleda Sacchi, vocalist & drummer David Moss, clarinet virtuoso Guido Arbonelli, cello player Jozef Lupták, and others.