HAPPENIN’ OTSEGO for SATURDAY, APRIL 29 Mozart Concert For Hans & Edith Wilk MEMORIAL CONCERT – 7:30 p.m. The Oneonta community remembers “Hans & Edith Wilk.” Features the combined voices of the Hartwick College Chorus and SUNY Oneonta Concert Choir performing Mozart’s Symphony #35 Haffner and Requiem with the Catskill Symphony Orchestra. Hunt Union Ballroom, SUNY Oneonta. Info, catskillsymphony.net/news-events/upcoming-events.html SPIRITUAL ARTS & PSYCHIC FAIR – 10 a.m.-5 p.m. 2 day fair featuring reading by psychics, vendors, and workshops to help…