Gourley and Feddersen are tuned into fiddle's different sounds
There are fiddle duet albums, and then there are magnum opus-level fiddle duet albums. On “Brightly or Darkly,” the second recording by Boston-area musicians Nathan Gourley and Laura Feddersen, their fiddles sync up together, sometimes harmonize, play off one another, even seem to challenge or occasionally – thanks to the use of non-standard tunings – growl at one another, as
Source: bostonirish.com