Taste is subjective, musical taste even more so. But there are some musical sounds that polarize opinion far more than most. These are the noises that act as a barrier to entry; the sounds that may thrill fans, but are worse than fingernails on a blackboard for everyone else. Insidermonkey experts made a list of 10 most annoying and hated musical instruments in the world.
As with every item on this list, it's not the use of auto tune - a production tool aimed at synthetically improving a voice so that it sings in tune - that is a problem in itself, it's the misuse. For every creative example of auto tune as a production tool - Neil Brand explores how they made Believe by Cher in the clip above. You can also read our list of the 10 easiest instruments to learn how to play.