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Much of the band 's songwriting material in this era also came from the members ' own experiences traveling through the country in near-constant tours over the previous several years , as well as an increasing sense of political activism which would find expression on subsequent albums " Lifes Rich Pageant " and " Document " .
 media: Lifes Rich Pageant; media: Document
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 media: Lifes Rich Pageant; media: Document