“It’s fun for me and I think that my audience has come to expect it or look for it,” Suvalsky said of his repertoire. The openly gay singer may revere traditions of jazz but he is by no means a slave to it, as much regarded for his forays into classic-pop music as he is for his jazz works, including recordings such as 2006’s “Vintage Pop and the Jazz Side” and 2008’s “A World that Swings.” Jazz singer Andrew Suvalsky swings more than one way.