Sinead O’Connor has shared her first release since 2016 in the form of a cover of ‘Trouble Of The World’.The musician’s last piece of music came four years ago as part of the compilation ‘Tribute To Blind Willie Johnson’.Now, O’Connor has put out her take on a song by New Orleans-born gospel singer Mahalia Jackson. All profits from the track’s sales will be donated to Black Lives Matter charities.