Hermine Deurloo’s bold, jaunty, funky, bluesy and coolly swinging Riverbeast is among the most infectious and engaging jazz harmonica albums of the past few years, ranking alongside Hendrik Meurkens’ Cobb’s Pocket (released in 2019). Accompanied by an allstar rhythm section comprising bassist/guitarist Tony Scherr, keyboardist Kevin Hays and drummer Steve Gadd, the Dutch-born Deurloo — winner, like Toots Thielemans and Stevie Wonder of...