| Piano player's practice piece | 33 |
| Piano player in Rick's place | 32 |
| Piano player in "Casablanca" | 38 |
| Piano pedals that mute the strings | 34 |
| Piano key that's the same as A sharp | 40 |
| Piano control that makes strange noises? | 40 |
| Piano bar tip for a Joplin tune? | 32 |
| Piano bar standard composed by Erroll Garner | 44 |
| Pianists' dexterity improvers | 33 |
| Pianists' dexterity exercises | 33 |
| Pianists' black-and-white rows | 34 |
| Pianist-singer known for long album titles | 42 |
| Pianist's reference material | 32 |
| Pianist's prepared pieces, perhaps | 38 |
| Pianist's finger-sliding passage | 36 |
| Pianist who frequently collaborates with Yo-Yo Ma | 49 |
| Pianist who claimed to have invented jazz | 41 |
| Pianist told to "Play it again" | 41 |
| Pianist Peter and a fiddling emperor | 36 |
| Pianist leader of the Philly Pops | 33 |
| Pianist known for his Beethoven interpretations | 47 |
| Pianist in the jazz band Return to Forever | 42 |
| Pianist in Esther Williams flicks | 33 |
| Pianist in "Casablanca" | 33 |
| Pianist Glenn known for his Bach interpretations | 48 |
| Pianist Gilels or actor Jannings | 32 |
| Pianist Chick from the Arctic Circle? | 37 |
| Pianist called a "clown prince" | 41 |
| Pianist Bruce relocated to Paris? | 33 |
| Pianist born in Kurilovka, Poland | 33 |
| Pianist at Rick's Cafe Americain | 36 |
| Pia who has had a checkered acting career | 41 |
| Pia of ''Butterfly'' | 36 |
| Pi ___, "Life of Pi" protagonist | 42 |
| Pi is often used to calculate it | 32 |
| Physiology Nobelist Walter Rudolf ___ | 37 |
| Physiologist who won a 1904 Nobel Prize | 39 |
| Physiologist Mosso: 1846–1910 | 36 |
| Physiologist Ivan who worked with dogs | 38 |
| Physiologist François ___: 1783-1855 | 39 |
| Physics units also known as centigrays | 38 |
| Physics unit that sounds like a gem | 35 |
| Physics unit equal to 10,000 gauss | 34 |
| Physics rule determined by Newton | 33 |
| Physics particle with no strong force | 37 |
| Physics particle with an integral spin | 38 |
| Physics Nobelist the year after Einstein won | 44 |
| Physics Nobelist Stern and others | 33 |
| Physics Nobelist Simon van der ___ | 34 |
| Physics Nobelist Simon van der -- | 33 |
| Physics Nobelist Fitch and others | 33 |
| Physicists get a charge out of it | 33 |
| Physicist's window treatment? | 33 |
| Physicist's subject of study | 32 |
| Physicist's post-grad academic deg. | 39 |
| Physicist's meditation syllables? | 37 |
| Physicist's little-known hygiene problem? | 45 |
| Physicist's fundamental particle | 36 |
| Physicist's concern, for short | 34 |
| Physicist's alma mater, maybe: Abbr. | 40 |
| Physicist with an eponymous number | 34 |
| Physicist with an element named after him | 41 |
| Physicist with a unit of distance named after him | 49 |
| Physicist with a unit named after him | 37 |
| Physicist who's an eponym of a frequency unit | 49 |
| Physicist who worked at Los Alamos | 34 |
| Physicist who pioneered electromagnetism | 40 |
| Physicist who made constant calculations? | 41 |
| Physicist Schrodinger of theoretical cat fame | 45 |
| Physicist Schrödinger and others | 35 |
| Physicist made an opposing move? | 32 |
| Physicist Ernst who studied shock waves | 39 |
| Physicist considered the father of quantum theory | 49 |
| Physicist collaborator of Escher and Hawking | 44 |
| Physicist born on March 14, 1879 | 32 |
| Physicist and coil creator Nikola | 33 |
| Physicians who treat unmarried women? | 37 |
| Physician-turned-wordsmith Peter | 32 |
| Physician's business arrangement | 36 |
| Physician with a daily talk show | 32 |
| Physician who sponsors the Eroscillator vibrator | 48 |
| Physician of 1930s-'40s films | 33 |
| Physician married to Tonya Gromeko | 34 |
| Physician known for collecting synonyms | 39 |
| Physician in "Jurassic Park''? | 43 |
| Physician Golgi, for whom Golgi bodies are named | 48 |
| Physician connected with an aural ailment | 41 |
| Physician concerned with reactions | 34 |
| Physician at home where the buffalo roam? | 41 |
| Physically and mentally fatigued | 32 |
| Physical therapy for a Himalayan guide? | 39 |
| Physical therapist's work, for short | 40 |
| Physical therapist's assignment? | 36 |
| Physical symbol of Lincoln's philosophy | 43 |
| Physical property of inflexibility | 34 |
| Physical feature of Britain's Lord Nelson | 45 |
| Physical feature for Daryl Hall and Frank Sinatra | 49 |
| Physical attribute of Homer Simpson | 35 |
| Physical advantage for a shoplifter? | 36 |
| Phylum of insects, spiders and crustaceans | 42 |