[citation needed] He also made up a quarter of the BBC Radio 2 "Young Tradition Band" alongside Catriona MacDonald, Luke Daniels and Simon Thoumire.

[1][2] Kathryn Roberts and Kate Rusby asked the Lakeman Brothers to accompany them as a backing band for a tour of Portugal in September 1994.

The line-up would change over the years but Sean and Kathryn were constants as Equation went on to produce four albums: Return To Me (recorded 1996, released 2003), Hazy Daze (1998), The Lucky Few (1999), First Name Terms (2004), and The Dark Ages EP (2001).

The Mercury Music Prize nominated Kitty Jay and Poor Man's Heaven which were both certified Silver in the UK.

In August 2023, both Kathryn and Sean appeared as special guests with rock band The Levellers at the Beautiful Days festival performing two songs during the encore.

[5] Lakeman's credits as record producer for folk and folk-rock bands include two highly acclaimed albums for The Levellers, plus other acts such as Seth Lakeman, Bellowhead, Frank Turner, Billy Bragg, Imelda May, The Willows, Carus Thompson, Show of Hands, Mad Dog Macrea, The Long Hill Ramblers and Rev Hammer.