Input (grade 8): The Meat Puppets are an American rock band formed in January 1980, in Phoenix, Arizona. The group's original lineup was Curt Kirkwood (guitar\/vocals), his brother Cris Kirkwood (bass guitar), and Derrick Bostrom (drums).
Output (grade 7): They were formed in 1980 by Curt Kirkwood (vocals, guitars), his brother Cris (bass) and Derrick Bostrom (drums).