Elly Jackson’s yearning electronic music is aglow with the warmth of classic disco and the optimism of ‘80s electro-pop, as heard in the addictive confections of early Depeche Mode. And while her voice echoes the quivering intensity of Joni Mitchell, her songs channel the sonic invention of David Bowie in his Berlin pomp, filtered through the bubbling funk in Stevie Wonder’s nimble fingers.