| Answer | Crossword Clue |
|---|---|
| TYRES | "Riot on the ..." Medium 21 |
| NOIZE | Quiet Riot "Cum on Feel the ..." |
| ANNIE | It opened at the Alvin Theatre on April 21, 1977 |
| MCMXIII | Year in which the first crossword appeared, on December 21 |
| GUGGENHEIM | Museum featuring the works mentioned above, which opened on October 21, 1959 |
| NOSPRINGCHECKIN | Sign on the door of a hotel that's closed from March 21 to June 21? |
