Sonic Youth was an American rock band based in New York City, formed in 1981. Founding members Thurston Moore, Kim Gordon and Lee Ranaldo. Sonic Youth is considered a pioneering band in the noise rock and alternative rock genres. Their music has also been labelled experimental rock, indie rock and post-punk.
The following link demonstrates how they got their sound and their interesting usage of guitar tunings. Notice for certain songs different guitars are tuned differently but still harmonise. How much time was spent working out these guitar parts and tuning to them?