They pay homage to the most iconic progressive rock band of the 60's and 70's, focusing primarily on the years 1967-1975.  ’Pink Floyd, the iconic English rock band, formed in London in 1965 was one of the first British psychedelic groups, distinguished by their extended compositions, sonic experimentation, and philosophical lyrics-they became a leading band of the progressive rock genre, cited by some as the greatest progressive rock band of all time