| Scientific apparatus | 20 |
| Bacteriologist's inventory | 30 |
| Histology | 9 |
| Word coiner? | 12 |
| Windows producer | 16 |
| Windows manufacturer | 20 |
| Gala in Redmond, Washington? | 28 |
| Redmond fixture | 15 |
| Very small ice cream order? | 27 |
| Tech company pushover? | 22 |
| Programming language created by Bill Gates and Woody Allen in the 1970s | 71 |
| Little bit of power | 19 |
| Like some modern signals | 24 |
| Hardly an attraction for a surfer? | 34 |
| A small goodbye? | 16 |
| Antennas atop mountains | 23 |
| Kitchen contrivances | 20 |
| Fast food contrivances | 22 |
| Marking on some dishware | 24 |
| Of minute proportions | 21 |
| Voice boosters, for short | 25 |
| Karaoke bar equipment, for short | 32 |
| Karaoke bar equipment | 21 |
| Karaoke bar eqpt. | 17 |
| Boom-box plug-ins | 17 |
| Amp plug-ins | 12 |
| Stand-up comedians' supporters | 34 |
| When Form 1040 is due | 21 |
| Legendary Fort Knox? | 20 |
| Cause of a sexual harassment complaint? | 39 |
| Talent for making millions | 26 |
| Money-making knack | 18 |
| Investor's asset | 20 |
| Gold-making king | 16 |
| Bent at the waist, say, on stage | 32 |
| Cerebrum's neighbor | 23 |
| Of average size, to investors | 29 |
| Of average size, financially | 28 |
| Mutual fund category | 20 |
| Lunges? | 7 |
| Noons | 5 |
| Busy times at fast-food restaurants | 35 |
| Reason to eat lunch alone? | 26 |
| Short shadow caster | 19 |
| Refuse heaps | 12 |
| Annapolis attendee | 18 |
| Blouses | 7 |
| Annapolis naval students | 24 |
| Annapolis men | 13 |
| When actions creak louder than words? | 37 |
| Pre-golden years time | 21 |
| One of life's passages | 26 |
| Fifties, say | 12 |
| A crisis might accompany it | 27 |
| One of life's turning points | 32 |
| Celebrating the big five-oh, say | 32 |
| At the top of the hill, so to speak | 35 |
| When the Black Knight rode | 26 |
| Period of the Crusades | 22 |
| Condition after 40 or so | 24 |
| Juniors and sophomores on a Texas campus? | 41 |
| Setting for Patricia Heaton's TV show | 41 |
| Nebraska, the Dakotas, etc. | 27 |
| Flyover country, to some | 24 |
| Reference note | 14 |
| Good note for beginners to start on | 35 |
| Centrally located note | 22 |
| Reference key on the piano | 26 |
| Place to start for a young music student | 40 |
| Piano note | 10 |
| Key piano key | 13 |
| Its frequency is about 262 hertz | 32 |
| Important key (and key to this puzzle's theme) | 50 |
| Sheet used in typing duplicates? | 32 |
| Economic phenomenon | 19 |
| 800 meters, to a runner | 23 |
| Where to find a hammer, anvil and stirrup | 41 |
| Hobbit's milieu | 19 |
| Where the hobbits lived | 23 |
| Where Frodo destroyed the ring | 30 |
| Home to Frodo and Legolas | 25 |
| Home of the Hobbits | 19 |
| Global hot spot | 15 |
| Perennial hot spot | 18 |
| Kuwait, Iraq, etc. | 18 |
| Area near the Mediterranean | 27 |
| No class schooling? | 19 |
| Areas of compromise | 19 |
| Hurricane Carter, for one | 25 |
| 11th to 14th-dynasty Egyptian period | 36 |
| Hinge of a palindrome | 21 |
| 12th-15th century European tongue | 33 |
| Sale mediator | 13 |
| Department supervisor's diet? | 33 |
| Diet doctor's other job? | 28 |
| Corporate office staffers | 25 |
| Novel with the character Dorothea Brooke | 40 |
| Novel re Caesar's demise? | 29 |
| Belt that's way too tight? | 30 |
| Central stretch of a road trip? | 31 |