Matthew Holmes is a children's music educator, professional musician and writer. His music features in the Music Express books as well as in A&C Black's song sheets including Viking Rock and Hot off the Press. His other works include the very popular musicals based on Terry Pratchett's Amazing Maurice and his Educated Rodents and Johnny and the Bomb. He is currently a music specialist in a special needs school in Staffordshire. Suzy Davies is a freelance musician, composer and teacher. She is the founder and music director of the Kaos Organisation, who run theatrical workshops for children. She also teaches in schools.