Modulation effects like chorus or flange could help, but imparted a specific sound that might not fit the song. You could slow down or speed up the tape that the track was on, but that introduced a lot of headaches.
There were few studio tricks you could use to cover up a shaky performance. In the golden days of analog, pitch correction was a fairly tall task to achieve. Let’s dive in to how they work and see which one is right for you. While they have many similarities, they also have some critical differences.