Susan Hagen Nipp received her bachelor of arts degree in music with a minor in education from Whitworth College in Spokane, Washington. She has taught high school English, as well as music on the elementary school level. Along with fellow educator Pamela Conn Beall, Hagen Nipp published the children’s songbook Wee Sing, which turned into a series that has sold more than 65 million books, audios, and videos. She lives in Coeur D'Alene, Idaho, with her husband, Charlie. They have two children.

Pamela Conn Beall received her bachelor of arts degree in music with a minor in education from Oregon State University. After college, she became an elementary school music teacher in the Portland area. Along with fellow educator Susan Hagen Nipp, Conn Beall published the children’s songbook Wee Sing, which turned into a series that has sold more than 65 million books, audios, and videos. She currently resides in Lake Oswego, Oregon, with her husband Ron. They have four children.

Charles Reasoner is the author of several children's books, including Number Munch!, Color Crunch!, and the popular and successful Sliding Surprise series. He lives in Woodinville, Washington, with his wife and four children.