“A cello lying in its case…”

When running away to teach in Europe and be sheep farmers, take cello lessons at least for a month.

“…And she fights for her life as she goes in a store / With a thought she has caught by a thread…”

A sheep farmer is less formal than a shepherd. Shepherd has a doctorate; sheep farmer just has a BA in Sheep.

“…A winter melody she plays / The thunder makes her contemplate…”

Counting sheep, and then it’s time to wake.

“…And counting the change as she goes / Nobody knows…”