If you're interested in how finishes are applied to guitars, then you'll find the lastest 'Factory Friday' video at the Taylor website interesting. In this 9 minute video, finishing department manager Jerry Cooper demonstrates applying a Tobacco sunburst to a maple top T5.
Did someone say maple?
Sunbursts are tricky things, and companies apply them in different ways; some have very sudden transitions from light to dark, others are much more gradual. It's definitely an art applying these things.