Lumia 530 musicXbox Music app has received an update that takes the version to 2.6.674.0. As per the official release it addresses a number of customer issues including,

  • Better explanation of how to get started with OneDrive in the Music App on Windows Phone 8.1
  • When you set a playlist to ‘Keep playlist offline’ it will automatically download all streaming tracks, whether from Music Pass or OneDrive

Music app link