Progressive rock or prog is often abbreviated type of music that began to flourish at the end of the decade of the '60s and reached its heyday in the '70s, combining elements of rock, jazz and classical music. Sometimes the influence of blues and traditional music was also felt.
Starting from experimental rock musicians at the time, inspired by The Beatles and The Beach Boys began combining traditional music, classical and jazz music into their compositions. Some of the leading progressive rock band is Yes, King Crimson, UK, Pink Floyd and Genesis from around 1969, Rush from the 70's and Marillion, Dream Theater from the 80s.
