My husband shared this quote with me the other day and I thought it was very relevant to teaching students and learning to play an instrument:
“Action never follows motivation…It’s the other way around. When you act, motivation inevitably follows.”
I’ve seen over and over again that when students (or I!) make practicing a discipline and a priority in their lives, they become more motivated. So, in a nutshell, the best way to motivate students is to require them to practice. Because the more they practice, the more skilled they become, and the more motivated they will be!