If you mean Derry, New Hampshire ask Barry Finn

If you mean Derry, N Ireland try Sandinos (esp Sun afternoons), Peadar O'Donnells (very crowded), the Castle Bar (Tues and Thurs?), Thran Maggies at Craft Village(Thurs only), Dungloe Bar. Last Sun of each month Folk Club 8ish pm at the Verbal Arts Centre near the courthouse on Bishop Street (not a "session"). This Thurs. Anna Mhartain (Gaelic song), Ingrid Henderson (clarsach, keybords, Gaelic song) and Marchus O Murchú (flute) concert at Foyle Arts Centre 8 pm

If you don't mean this Derry, please let us know!