Autotune, echoes, rock guitars and rappers' delights – the tools you need to create a classic track of your very own

Humans have always used technology to broaden their musical palettes, from the earliest drums to today's digital delights - and some technologies transformed music altogether.
Imagine a world without fuzzy guitars or drum machines, sampling, sequencers or AutoTune. Here are some of the sounds that changed music - and the apps that'll put them on your tablet or smartphone.
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14 best music-making apps
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Autotune, echoes, rock guitars and rappers' delights