Jane is learning how to play chords to her favourite pieces. Here is how I've recommended she spends her time.
Practice time breakdown
25% scales and chords with metronome at various tempos
25% review of old work
25% new pieces
25% sight reading tunes off the internet. Notice the search terms in the image below. Click on images and viola things to practice.
You've got to learn your instrument. Then, you practice, practice, practice. And then, when you finally get up there on the bandstand, forget all that and just wail.
I'm a professional pianist and music educator in West Toronto Ontario. I'm also a devoted student and teacher of the drums.