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When all the houses on the block have puppers, there are occasional performances by the DopplerDogs.
One pup at the far end of the block starts barking/howling, the next joins in, and so on. The song of their people gets louder as it nears your house (you weren't sleeping, were you?) and gradually fades as it rolls along to the other end of the block.
The house next to us has been sold. I hope they have at least one canine singer. I'd hate to see the band break up.