Big AL. Bert Weedon was a stalwart in days of yore(influencing Eric Clapton, Paul McCartney and Brian May). Robin Hall and Jimmy Macgregor appeared extensively on BBC Television – both on the Tonight programme and on the White Heather Club. Julie Felix filled the Albert Hall and went on to the Frost report. She had her own TV show from 1968to 1970.
Folk was mainstream during this period.