Complex sentence: He was a fan of art and music, but after leaving art school and applying for multiple jobs, and being denied from multiple different places in retail, he eventually managed to get a job in a Wetherspoons in Chelmsford.
Split into simpler sentences: He was a fan of art and music, but after leaving art school he applied for multiple jobs and was denied from multiple different places in retail. Eventually he managed to get a job in a Wetherspoons in Chelmsford.