There is a "folk clubs north east" Facebook page if you are on fb. Some sessions just across the border but might be a bit far for you. G&A in Melrose has a session on Wed which is mostly Americana etc but everything welcome. Thursday night is Denholm Folk Club in Cross Keys run by Kenny Speirs. Friday two venue session in Kelso. Early singaround in The Planet, Kelso Ice Rink at 8pm. pub session in Cobbles Inn from about 10pm