Chris Willman Music WriterMusic streaming was down in the early days of the pandemic, but that turned around in a big hurry as quarantining went on — so much so that the year 2020 ended up setting a streaming record in America, increasing 17% for the year to end with an unprecedented 872.6 billion streams.The flagship artist for that wild increase? Lil Baby, whose “My Turn” album, released in late February, ended the year with a total of 3.9 billion on-demand streams for its tracks.These are