How can two singers sing the same song in the same key still have distinguishable voices?

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This is actually question my daughter posed and I’m pretty stumped. She asked how, if two people with (let’s say) perfect pitch sing a song, how is it possible that we can still tell who is singing when the notes would be identical?

Note: I know absolutely nothing about music, but figured this was the best place to ask for her.

Edit: Wow, many of these answers are incredible! I had no idea this would receive such in depth and thoughtful feedback. I have learned a huge amount. I was not exaggerating above when I said I know nothing about music (I don’t even know what pitch is – just quoted my daughter on that) and I’m grateful to those of you who took the time to help me learn.

In: Biology

21 Answers

Anonymous 0 Comments

A piano, guitar, marimba, glockenspiel, flute, harpsichord, harp, and…you get my point, can all play for the most part a set of identical notes, and yet you could easily distinguish them from one another.

Human voices are all different in the same way. We all have differences in our voices that contribute to how our singing voice sounds. Though I will say, the more well trained they are and how perfect their pitch is, you’d find it hard to distinguish 2 female soprano singers singing an E6 or similarly high note. But down in the mid range of your singing voice which comes from a combination of your chest and head voices, you’ll start to hear the differences between 2 singers quite clearly.

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