An easier left hand, the right hand untouched
When the accompaniment is what keeps falling apart, simplify only that: wide leaps, running patterns or repeated chords become something a student can hold together, while the melody stays as written.
Right hand stays as written
Ask it to keep the melody exactly as it is, and it does.
Same harmony underneath
The left hand keeps the chords, in a shape a student can play.
Fix any note yourself
Click a note to change it if you want a different voicing.