Mark Templeton presents Jealous Heart, an album which re-imagines the story of his sound in an approach that is both staid and deeply emotional, reorienting what is offered and what is held back through a myriad of smeared stringed instruments, fragmented horn phrases, tape loops, and found-sound-driven explorations. Templeton's music is always difficult to truly classify, which is part of its charm. It is way too dense and detailed to qualify as ambient in a traditional sense -- instead …