Okay kiddo, so Derek Webb is a musician who sings and plays guitar. He's not like the other musicians you may have heard of because he sings a lot about his beliefs and values.
He used to be in a band called Caedmon's Call, but then he went solo and started singing on his own. Some people really like his music, but others don't agree with what he's singing about.
Basically, Derek Webb believes in Jesus and tries to live his life based on what Jesus taught. He sings about things like helping others, being kind, and being honest. Some people really like this message, while others might not agree with it.
At the end of the day, Derek Webb is just a musician who likes to share his thoughts and feelings through his music. Some people like his songs, and some people don't - and that's okay!