Related Clues:

• Musical effect involving two quickly played repeated notes
• Robber's first into cash register, getting high-pitched sound
• Vibration from rocky peak restricting sleep
• Shock in city rising after treasurer cleared out
• Warblers do it
• Warbly sound
• Rapid movement inside hill, a result of fracking?
• Sound of brook at edge of forest
• Shock as river gets into reconstructed Metro
• Small earthquake setting European city right back
• Small rumbling
• Diverted metro runs in quake ...
• Tremulous warble
• Ornament queen saved in money box?
• Common flourish in Baroque music