You’ve probably got the same issue as this one, is your album in 48kHz?
I had this exact problem you have, too. On two MacBook Pros with Sierra. It disappeared for me after switching on Exclusive mode.
You’ve probably got the same issue as this one, is your album in 48kHz?
I had this exact problem you have, too. On two MacBook Pros with Sierra. It disappeared for me after switching on Exclusive mode.