Tim Purdum teaches K-5 Music in Waterloo, Iowa, and teaches Orff Pedagogy in Level I and II teacher education courses in the summer. He presents workshops and sessions on creativity, sequential planning, and the Orff Process at the local, state, and national level. Tim is the author of Creative Sequence: Teaching Music with Flexibility & Organization, Xylophone & Other Barred Percussion: A Creative Sequence, and Aligning Your Creative Sequence with the Core Music Standards. He has written two apps for music teachers and students, including a lesson planning app and a pocket xylophone app. Tim is the owner of Cedar River Music.