At No. 1 on the first JazzWeek Jazz Chart of 2015 is David Hazeltine I Remember Cedar (Sharp Nine). The biggest gainer (+43) and highest debut (No. 24) is  Uptown Vocal Jazz Quartet With Richie Cole Vocal Madness (HouseKat). Most added (+10) is Branford Marsalis In My Solitude | Live At The Grace Cathedral (OKeh).