If you're wondering where are the music lessons, don't worry they're coming. I can't tell a story and teach music all in one page. 

It's a progression to Rita's first encounter with her teacher and mentor Professor Bob. 

Back to the story.

Rita and Ren discover a mysterious voice in the nearby locker. They freak out as usually because everyones's after them and their secrets to interstellar space travel, which they know nothing about... Yet.

Click on the comic above or here.