Sonata "La Follia" Op. 1 n. 12 RV 63
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Antonio Vivaldi,Jordi Savall,Hespèrion XXI Sonata "La Follia" Op. 1 n. 12 RV 63 for Lula

Did you know that Vivaldi was an absolute mad man?
I am convinced that minute 7:35 of this is when metal was invented.
https://www.youtube.com/watch?v=7v8zxoEoA_Q