| http://www.w3.org/ns/prov#value | - Bands such as Jethro Tull, The Moody Blues, Pink Floyd, Yes, King Crimson, Genesis, and Emerson, Lake & Palmer (ELP) were the genre's most influential groups and were among the most popular acts of the era, although there were many other, often highly influential, bands who experienced a lesser degree of commercial success.
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