I can remember how I sang - a little more nasal-y back then. Listening to those old recordings is like seeing a photograph of yourself from 10 years ago. You're wearing what you thought looked cool at the time. You had your hair styled the particular way you thought looked cool. It's an accurate depiction of who you were and what you looked and sounded like at that point in your life. It doesn't necessarily mean that it aged in a way that it feels as cool or sounds as good to you, or says what you thought it said, 10 years later. That's just the nature of growing older.