With the name of his current tour, which stops at Colony in Woodstock on February 7, soulful singer-songwriter Martin Sexton is right up front about things. “The Martin Sexton Abbey Road Show” sees the Syracuse-born tunesmith bringing his jazz-inflected voice and amplified acoustic guitar to his reinterpretations of the Beatles’ 11th studio album for the first set; the second set will center on Sexton’s original songs with some surprise covers sprinkled in.