Possible Clues:

• Make a song about a sorceress for a change
• With 60-Across, reason for going back to college, maybe ... and a hint to this puzzle's theme
• Substituting western pine with grass outside
• Carol, enchanting woman inside, is changing
• Make notes about Conservative chopping and changing?
• Changing over
• Changing sides at last, at so late an hour?
• Sing about the sorceress for a change
• Changing direction with irritation
• Transferring to another track - or whipping