12:43 music theory is easy. 8:40 A Beginner's Guide to Music Theory 11:44 MUSIC THEORY in 12 minutes for nOOBS 12:15 How I'd Learn Music Theory (If I Had To Start Over) 9:46 The BASICS Of Music Theory EXPLAINED (in 10 minutes) 6:02 Basic Music Theory Concepts That All Beginning Musicians NEED to Know 3:02 ESSENTIAL GUITAR THEORY 6:22 Music Theory for ABSOLUTE BEGINNERS