Harmonically rich, musically and lyrically diverse, they invite comparison to Simon and Garfunkel, Seals & Crofts, and fellow countrymen Gallagher & Lyle. They operate on the outside edge of British folk music, unless it’s British folk music that travelled across the Atlantic to the New World more than three centuries ago. Their tastes run to Lyle Lovett, James Taylor, Guy Clark and Alison Krauss.