Register for HDpiano:. It's almost considered given that a song will fix at the end, implying it will move back to the tonic chord to offer us that sense of completion and finality. However a song doesn't have to fix at the end and by not doing so it can produce a bittersweet sense of incompletion or yearning. 5:15 the roman numeral above Ebm must be "bvi", not iv. Sorry for any confusion and…