A similar thing happened to me for Christmas.
I read very fast, and I'm always complaining about being out of reading material. For Christmas, one of my brothers got me a book, and one of the presents from my parents was a book voucher.
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Music Theory 101: Cadences.
Authentic cadence: V-I
Plagal cadence: IV-I
Deceptive cadence: V- ANYTHING BUT I ! !! !
Beethoven cadence: V-I-V-I-V-V-V-I-I-I-I-I-I-I-I-I-I-I
-I-I-I-I-I-I-I-I! I! I! I I I