Grammy nominations: Macklemore & Ryan Lewis should roll

There are so many Grammy-ready stories in music right now that Friday night’s nominations announcement is one of the most unpredictable in years.

Will they reward Justin Timberlake’s return? Of course, Grammy organizers love younger artists who revere older styles of music. Will they honor Taylor Swift’s smash “Red”? Yes, it’s a multi-platinum success that spans several genres. And Kanye West’s sonic achievement “Yeezus” will likely do well in nominations, though his chances of winning in a general category will be slim as usual.

Here’s how the top categories should shape up: