Treebeard have been a popular attraction on the pub, festival & beer festival circuit for many years now, with regular appearances at Sheffield, Derby, Tamworth, Newark, Stockport, Lincoln, Stoke & Barnsley festivals, as well as Earls Court for the Great British Beer Festival, and the Cropredy fringe. In 2017 the band played at Rockstock & Barrel, Holmfirth Folk Festival, Altrincham, Marlpool & Hope Valley Beer Festivals, Sheffield's Sharrow & Peace in the Park Festivals, Worrall, Festival8, Farmer Phil's, Solfest, Tramlines, Lancaster and Whitwell Festivals.

The band play lively Celtic folk-rock; traditional & original songs & tunes on a variety of acoustic instruments, always guaranteed to get an audience up & dancing.

They describe their style as 'Heavy Wood', releasing a first CD of that name in 2002, and a second CD 'Reel Ale’ in 2010. Their video for 'Over The Hills' has won the runner up prize in the 2 weeks 2 make it filmmaking competition 2011, as well as attracting over 220,000 youtube views.

The band have been through a number of line-up changes over the years and are currently led by founder member Chris McMahon (of Haze, Strongheart, Silverwheel, Outlandish Knights, etc), with long time flautist/fiddler Ceri Ashton (Cadellin, Mother of Crows, Jabberwocky, Outlandish Knights), and new members; percussionist James Howe (Bellhagg Orkestar, Silver Darlings), singer/songwritier Rob Lowdon (Jabberwocky, Broadsword) and singer/guitarist Paul Pearson.