Does the Key of Music Even Matter?

Does the key of music even matter? If you didn't have perfect pitch would you even know what key you are in? When should you use particular keys? How did meantone and equal temperament change our perception of keys? This video goes over the differences between musical keys both from the past and now. Hope you enjoy! patreon.com/JakeThurston Video Chapters: 0:00 Does the key even matter? 0:20 Historical Descriptions of Keys 1:21 Meantone Temperament 2:47 Equal Temperament 3:32 Why Keys still matter Queen of the night video: https://www.youtube.com/watch?v=YuBeBjqKSGQ Key Descriptions in this doc https://www.musikipedia.dk/dokumenter/boeger/engelsk-tonkunst.pdf