When Jacob Schwartzberg stepped on stage at The Phoenix jazz club wearing a well-cut suit and black yarmulke, his gleaming saxophone in hand, the 25-year-old looked as cool and self-assured as any jazz musician in Kansas City, Missouri.

Though it may take some “minyan wrangling,” at least 10 men meet nearly every Thursday as part of Kansas City’s Downtown Minyan. The group, largely led and organized by founders Paul Blackman and Max Jevinsky, recently celebrated its 20th anniversary.