Steven- That’s great advice. No matter what you want to play on the harp-classical, pop arrangements, hymns, jazz improvisation, etc.- you need the ability to get around the instrument easily, and the technique doesn’t change. Especially if you want to improvise on pop or jazz tunes, what you do in those improvisations will be directly tied to your technical ability. If that ability is low, then you’re going to be stuck playing triads and single notes in the middle two octaves of the instrument. As your technical ability advances, you will be able to use more of the instrument in more ways.