In this video
In this clip from this live replay, we look at how to change the key of a song to better match your voice. Here we take the example of Don't Wanna Miss A Thing by Aerosmith (chord sheet here) and search for what key better matches my voice.
(Shock horror, I can't sing it in the original key like Steven Tyler. I mean, who CAN!)
Here's some helpful resources for those wanting to learn more about this topic;
Musical Keys EXPLAINED
Full singing lesson with Andy & Elizabeth from The Charismatic Voice
Full Course links