I recently signed my four-year-old up for WeBop jazz classes, an early childhood education program developed by Jazz at Lincoln Center. I wanted to share my love of jazz with my son, with the hope that someday soon he’ll want to tag along as I go to concerts and clubs. So right now, he’s learning the fundamentals of jazz—blues form, improvisation, scat singing, and time—while singing, dancing, and drumming his way through a collection of jazz standards.