Work permits, visas, bureaucracy, money, and transport issues, labels, distribution, accessibility to foreign jazz magazines, streaming platforms, booking agencies, media pitches, getting coverage, reaching out to a vast audience — to youngsters — inclusion, collaboration, economic imbalance, gender balance, sustainability … That’s a long list of challenges, but confronted with “an impulse to change,” as publicist-blogger Matt Merewitz put it, among those in today’s European and U.S. jazz industry. There’s said tor be a desire among musicians and audiences to get to know each other better. Artists and publicists attending jazzahead!, the annual international…