You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "What band's musically "dirty" sound was a forerunner for the later grunge bands to come out of Seattle, The U-Men or Hayden?" whose answer is The U-Men.
Each document should contain about 30 words, and these documents should contain useful information.

Query: what was the sound of The U-Men and its influence on grunge music
Useful Output:

Doc 1: Their sound wasn't just speed for the sake of aggression; it was a bastard of western swing and grimy, overdriven guitar; it was the sonic
Doc 2: Grunge is the experimenting and fusing of metal and punk rock. Grunge was influenced by the sounds of several metal bands in the 1970's, such as
Doc 3: General consensus though, is that it was probably the U-Men in 1984. They brought this kind of dirty, heavier post-punk sound to their debut EP
Doc 4: Black Flag's new sound influenced Seattle bands like The Melvins, Soundgarden, and Green River. The Melvins were the first metal-adjacent band
Doc 5: The U-Men were another eccentric and arty punk rock band.  sound, making no apologies about its metallic influences. And though