Hard rock, a harmonica virtuoso, and Celtic music are among the many choices available this weekend. Thursday, Jan. 16 Earl and Them, The Odds at George's Majestic Lounge (Fayetteville) - 6 p.m. The Steel Woods, Tennessee Jet at George's Majestic Lounge (Fayetteville) - $12 adv, $15 day of, 9 p.m. Becky Adams and Jacob Campbell at Mickey Finn's (Fayetteville) - 8 p.m. Amy Ray at Walton Arts Center (Fayetteville) – tickets start at $32, 7 p.m. OzMoMu at various venues (Eureka Springs) – tickets