| 100% | ASTRODOME | 9 | Stadium whose first home run was hit by Mickey Mantle |
| 72% | ASTRODOME | 9 | Stadium whose first homer was hit by Mickey Mantle in an exhibition game in 1965 |
| 39% | RAP | 3 | Music genre whose first mainstream hit was by the Sugarhill Gang |
| 37% | DEADBALLERA | 11 | Period when few home runs were hit |
| 33% | ONEREPUBLIC | 11 | Pop band whose first hit was "Apologize" |
| 33% | ABBA | 4 | Band whose first US hit was "Waterloo" |
| 33% | BECK | 4 | Singer whose first hit was 1994's "Loser" |
| 33% | KESHA | 5 | Singer whose first hit single was "TiK ToK" |
| 32% | ABBA | 4 | Swedish pop band whose first US hit was "Waterloo" |
| 32% | SPIELBERG | 9 | Steven whose first big hit as director was Jaws |
| 32% | ABBA | 4 | Band whose first hit in the US was "Waterloo" |
| 32% | GOTMILK | 7 | Campaign whose first ad was directed by Michael Bay |
| 32% | SAINTS | 6 | Their first home field was Tulane Stadium |
| 32% | GRAY | 4 | R&B singer Macy whose first hit was "I Try" |
| 32% | SIA | 3 | Australian whose first big hit in the US was "Chandelier" |
| 32% | REM | 3 | Band whose first hit single was "The One I Love" |
| 32% | TOTO | 4 | Band whose first hit was 1978's "Hold the Line" |
| 32% | SEAL | 4 | Single-named singer whose first hit was 1990's "Crazy" |
| 32% | IDOL | 4 | "American ___" (show whose first season was won by Kelly Clarkson) |
| 31% | ITHEJURY | 8 | 1947 debut novel by Mickey Spillane whose protagonist is Mike Hammer |
| 31% | REM | 3 | Band whose first top-10 hit was "The One I Love" |
| 31% | EXO | 3 | South Korean-Chinese boy band, whose first hit song was "Growl" |
| 31% | LILY | 4 | British pop singer Allen whose first hit was 2006's "Smile" |
| 31% | ABBA | 4 | Group whose first U.S. hit was "Waterloo" |
| 31% | CYNDILAUPER | 11 | Singer/songwriter whose first #1 hit song was 15-Across (2 wds.) |
| 31% | DEFLEPPARD | 10 | 1980s hair band whose first Top 20 hit was "Photograph" (2 wds.) |
| 31% | SNL | 3 | NBC show whose first episode was hosted by George Carlin, for short |
| 31% | AMYTAN | 6 | Writer whose first novel was adapted as a film by Wayne Wang |
| 31% | THESTARSPANGLEDBANNER | 21 | This puzzle's theme, whose first notes are indicated by shaded squares |
| 31% | BSMITH | 6 | Transcultural icon whose home collection was the first by a Black woman to be sold at a major retailer |