Read the following paragraph and determine if the hypothesis is true:

Savoy Brown, originally known as the Savoy Brown Blues Band, are an English blues rock band formed in Battersea, south west London in 1965. Part of the late 1960s blues rock movement, Savoy Brown primarily achieved success in the United States, where they promoted their albums with non-stop touring.

Hypothesis: The blues rock movement started in the late 1960s and is still going on today.
It's impossible to say