1 While inside Google Play Music, click on ‘My music’ over in the left-hand column to be taken through to your library of uploaded albums and any music purchased from the Google Play store.
2 Select the album you wish
to share, then right-click
on it to bring up a menu of options. Alternatively, hover your mouse over the album artwork and then click on the small menu icon that appears.
3 Select the ‘Share album’ option from the menu and then the Google+ window will appear, into which you can enter personal comments and select with whom you would like to share the album.