Their 4 part harmony through triple tap delays live was really impressive when I saw them in 78. Really sounded like a choir.
That's pretty obvious though as Mercury's voice is unique and easy to identify.
It’s like when Maroon 5 makes a music video and everyone besides Adam has to pretend that they’re actually performing anything in the song.
They also did so many overdubs that most of the oxide wore off the tape and it was nearly transparent by the time they were done.
For the curious audio engineers, a 24-track version of the multitracks is floating around on the internet, and you can hear these vocal parts for yourself.
Could you really not tell just from the sound? It's REAL obvious