HAPPENIN’ OTSEGO for FRIDAY, SEPTEMBER 21 Boston Brass Jazz Band In Concert CONCERT – 7:30 p.m. Boston Brass treats audience to one-of-a-kind musical experience featuring classical, burning jazz standards. Tickets, $25 general admission. First United Methodist Church, 66 Chestnut St.,Oneonta. 607-433-7252 or visit oneontaconcertassociation.org KITE FESTIVAL – 6 p.m. Build your own kite then see if it can fly without wind at indoor kite fly event. All ages welcome, cost $3. Old School Gymn Genesee St., Cherry Valley. 607-264-3080 or visit www.facebook.com/cherryvalleyartworks/…