Complex sentence: During his time in prison, Radke formed a new band called From Behind These Walls and officially began creating media with the band upon his release, later forced to change its name to Falling in Reverse due to copyright infringement.
Split into simpler sentences: During his time in prison, Radke formed a new band called From Behind These Walls. He officially began creating media with the band upon his release, but was later forced to change its name to Falling in Reverse due to copyright infringement.