Welcome to Idea To Song!
Idea To Song is a 8-module video course walking you through the steps of writing a song. Though the course is for beginning songwriters, the music theory concepts are pretty advanced.
Each module consists of a video lesson (ranging from 5 to 30 minutes) and most modules have worksheets.
Before you take the course, I'd recommend you print out all of the worksheets and reference sheets. You may want to print additional worksheets as you work through the modules. (Some of them you'll need multiple copies of!) You may even keep some of the worksheets around for future songs!