Here are some of the subjects David Trenow has researched:

Green Men, Jack in the Green, John Barleycorn, Robin Hood, Blodeuedd, Wild Men, Wodewoses, Sheila-na-Gigs, Mermaids, Witches, Wizards, Merlin, Math son of Mathonwy, Cunning Men, Ned Ludd, Captain Swing, Fairies, Aliens, UFO's, Superstition, Spells, Charms, Rituals, Customs, Mazes and Labyrinths, Divination, Tarot, Numerology, Astrology, Reynard the Fox, Reynardine, Folk Songs, Mummers Plays, The Land of Plenty.

David Trenow has been studying folklore for the past forty years, recording many different traditional events on video and sound tape. He has been a singer of traditional English folk songs (as part of a duo called Dave and Dave) for all of these years, appearing on television, radio and at folk clubs and festivals all over England.

He has written a number of articles on the subject and at the moment is working on a book on folklore in the UK. He has lectured for the Worker's Educational Association on the subject as well as giving lectures on residential weekends. He was a founder member of Hoddesdon Folk Club and the Hoddesdon Crownsmen Rapper Sword Team and also ran Colchester Folk Club for a number of years.

He is still singing folk songs, both unaccompanied and to the guitar and is available for bookings at folk clubs and festivals and other celebrations.