Complex sentence: The label was founded by Ian Anderson and Michael M. Sandstedt in 2003, the year of Ian's graduation from high school to create a platform for his high school band Aneuretical and others.
Split into simpler sentences: The label was founded by Ian Anderson and Michael M. Sandstedt in 2003, the year of Ian's graduation from high school. Ian wanted to create a platform for his high school band "Aneuretical", and others.