Just like your mind and your muscles, your ears also have a shelf life. Go too long without taking a break, and you’ll run the risk of not being able to separate good takes from bad ones. It might sound odd to recommend taking breaks as a time-saving tool for home-recording, but keeping your dexterity as well as your listening skills sharp will protect you from making costly recording mistakes.
And according to the probe tone experiments, most people also probably recognize that the notes 1, 3, and 5 are also going to be pretty important in the melody. Houston’s song “I Wanna Dance With Somebody” is not in the aforementioned key of C major, but it is in a different major, the key of G♭ major, and this tonal hierarchy works in any key, so let’s use the numbers and look at it the way we’d look at any song on Earth.