In a solo career now numbering five decades and counting, California’s Lee Ritenour – a.k.a. Captain Fingers – remains one of music’s most virtuosic and prolific guitarists.  An in-demand session guitarist who has played for artists including Johnny Mathis, Barbra Streisand, Ray Charles and Aretha Franklin, Ritenour released his first recording as a leader in 1975 with First Course; his most recent, A Twist of Rit, was issued earlier this year.  Now, Cherry Red’s Robinsongs imprint has looked back to Ritenour’s first two albums of the 1980s to combine Rit and Rit…