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hippyjoe1955 · 61-69, M
Many many times. I have also heard them on occasion.
irishwonder1973 · 51-55, M
@hippyjoe1955: I do believe Ive heard them to when there was a very strong display.
hippyjoe1955 · 61-69, M
@irishwonder1973: Yes when they are multicoloured and really moving you can sometimes hear them. Most often not.