HOLLY DAY has been a freelance writer since 1986, with work appearing in several thousands magazines internationally, including regular columns in Guitar One Magazine and Music Alive! Magazine. Her published books include the nonfiction books Music Theory for Dummies, Music Composition for Dummies, Guitar All-in-One for Dummies, Piano All-in-One for Dummies, and Walking Twin Cities. She lives in Minneapolis, Minnesota, with her husband and two children.
