The material for this is well worth investigating. And that is without touching rap, hip-hop, dance, garage, grunge etc. Needs us to help him out of tight spots. Getting better since his early days. Writes for guitar, retrofits to piano, with varying success.
Words tend to be triumphalistic.
But he can write a catchy tune and solid harmonic progressions. Again, somewhat narrow theology. Lyric writing, tune writing often not of the highest order. Like much modern music, it emanates from a very capable stand-up performer, but writer and editors may give inadequate thought to congregational singability. Knowing the books Songs from the Psalms had music editors with good theory knowledge.