The names and phrases below share an unusual quality. Can you determine what it is?

1. LIFETIME MEMBERSHIP
2. ELI LILI AND COMPANY
3. HEADLINE NEWS
4. ROYAL ALBERT HALL
5. SINGIN' IN THE RAIN
6. SCENES FROM A MALL
7. BEAR A RESEMBLANCE TO
8. CLAUDE DEBUSSEY
9. AM I MISSING SOMETHING?

Answer:

Each name or phrase contains a US state postal abbreviation - repeated twice in consecutive order:

1. lifetiME MEmbership
2. elI LILi and company
3. headliNE NEws
4. royAL ALbert hall
5. singIN' IN the rain
6. scenes froM A MAll
7. beAR A Resemblance to
8. clauDE DEbussey
9. aMI MIssing something?