What do the following words and phrases have in common?

1. Picasso
2. Edit
3. Musical composition
4. Early rock and roll song
5. Rainbow
6. Really bad husband
7. US Navy
8. Bride

Answer:

BLUE

1. Picasso's Blue Period
2. Blue-pencil 
3. Rhapsody in Blue
4. Blue Moon
5. Bluebirds
6. Bluebeard
7. Blue Angels
8. Something blue

Credit: LA Times Crossword
Sylvia Bursztyn and Barry Tunick
A CASE OF THE BLUES