Is their a sound that will attract fish?

Yes, sound can be an effective way to attract fish. For example:

1. For bass, try using a surface popper or a spinnerbait to create a commotion on the surface of the water. This can attract bass to investigate the sound and movement, and hopefully take your bait.

2. For bluegill, try using small topwater lures or small spinners that make a buzzing or vibrating noise when retrieved. This can imitate the sound of insects or small prey that bluegill like to feed on.

3. For trout, try using a small spinner or spoon with a single hook that can produce a clicking sound as it moves through the water. This can mimic the sound of a fleeing baitfish or insect, which can trigger a trout's predatory instincts.

In addition, underwater speakers have been used experimentally to play sounds that mimic the sounds of prey fish or other sounds that fish might find appealing. However, the effectiveness of this technique is still being studied and it may not work in all situations. It's always a good idea to do some research on the specific type of fish you're trying to catch and the body of water you're fishing in, to determine what type of sound might be most effective.