Perhaps I am the last one to discover this but... I was starting to work on the bass part for YYZ by Rush. It's quite the challenge yet, the beginning time signature intriqued me and I found out that it's Morse Code for YYZ which is the call sign for the Toronto airport. When I travelled to Canada earlier this summer, the Toronto airport is listed as YYZ-Pearson on the destination. As the band Rush lived around Toronto, this was near and dear to them :)
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