Low sales … Meghan Trainor has hit No. 1 for the fourth time this week, but with less than 5000 sales. Picture: Supplied Source: News Corp Australia HOW many copies do you need to sell to get a No. 1 album in Australia? If you’re US star Meghan Trainor, it was just 4149 copies of her album Title sold nationwide this week. Plunging album sales have seen 2015 getting dangerously close to matching an unenviable record: the lowest selling No. [...]