iTunes 12 will not play albums - just one song at a time I have iTunes 12 and it will not play albums in order - just one song at a time.  I have tried all kinds of things to fix this. 

Something I noticed is that none of the songs are checked any more and I don't know what that means.

I can't figure this out.  Help.

Thanks
iTunes doesn't move to the next song by default, it moves to the next checked song.

If all are unchecked, that's your issue.

To recheck, in 'Songs' mode, select the top one, scroll to the bottom, shift/click the last one.
Right click > check selection.
[it might say 'tick' not check, I'm not sure if that's input language-dependant…
US check == UK tick]