Templating with HandleBars

Hello guys,
I have some issues with handlebars, in Musicon project,
I write all the code, then i watch at the project walkthrough to find my errors from code, but i couldnt find any errors about why it dosent rendering me the templates.
https://www.codecademy.com/paths/web-development/tracks/build-interactive-websites/modules/templating-with-handlebars/projects/musicon