It’s three weeks at No. 1 for Bruce Barth Three Things of Beauty (Savant); it’s also the week’s most-reported CD (54) on the Sept. 17 JazzWeek jazz chart. The week’s highest debut (No. 18) and biggest gainer (+115) is Steve Davis Gettin’ It Done (Posi-Tone). Tied for most-added (+20) are Lewis Nash Quintet The Highest Mountain (Cellar Live) and Fred Hersch Trio Live at the Village Vanguard (Palmetto).