8 Uses Of Auto-Tune That Are Actually OK

Like Bon Iver, indie-folkster Sufjan Stevens had outgrown his acoustic guitar by the early 2010s. This resulted in the extravagant, abrasive electronic sprawl of "Age of Adz", one of the last decade's weirder albums. An uneven and sometimes impenetrable experimental offering, the album's more outre moments were redeemed by the brilliant closer "Impossible Soul".

This 25-minute, four-suite masterpiece features a middle section smothered in a liberal dollop of autotune. Rather than concealing imperfect vocals, the effect serves to emphasise the singer’s chaotic, slippery state of mind. Stevens slides between emotions as dramatically as his voice shifts between notes. The section finds the anguished singer at his lowest ebb before he climbs towards redemption in the following sections. Find a dark room and listen to the track in full - you'll emerge a different person.