Complex sentence: Hanson (also known as Junior Marvin's Hanson) was a British based rock band formed by Junior Hanson in 1973 and were signed to Emerson, Lake and Palmer's record label Manticore.
Split into simpler sentences: Hanson (also known as Junior Marvin's Hanson) is a British based rock band. Hanson was started by Junior Hanson in 1973, and were signed to Emerson, Lake and Palmer's record label Manticore.