As others have said I found the controls slightly unforgiving. I was also confused at first because I didn't realize I needed to turn around.
Once I got the hang of it though, this is a really fun game. The sound effects are great and I love the note animations.
Three days into this process, I've finally found another person who had a guitar hero game- I thought we were the only ones. Our games are very different approaches to the theme though so this one still felt very fresh!